The type of intercellular junction that functions as a rivet or "spot weld" is a(n) Desmosomes.
Animal cells may additionally comprise junctions referred to as desmosomes, which act like spot welds among adjoining epithelial cells. Intercellular matrix can be liquid, gel or rigid. Skeletal, cardiac and smooth. A sort of connective tissue that shops fat. Contains difficult mineral containing intercellular matrix, consists of osteocytes and is a sort of connective tissue. Lining epithelium: The urinary bladder lining is a specialised stratified epithelium, the urothelium. The urothelium is solely in urinary systems which include the ureter, urinary bladder, and proximal urethra.
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Flounder is a type of fish that looks like the seafloor. This is an example of __________.
A
Müllerian mimicry
B
warning coloration
C
character displacement
D
Batesian mimicry
E
cryptic coloration
Flounder is a type of fish that looks like the seafloor. This is an example of (e) cryptic coloration.
A defense mechanism or strategy used by creatures to conceal their appearance, camouflage, also known as cryptic coloring, generally allows them to fit in with their environment. The use of camouflage by organisms to conceal their position, identity, and movement. Predators can sneak up on prey because of this, while prey can evade predators.
There are several variables that affect a species' camouflage. The organism's physical traits play a very important role. The methods used by animals with fur are different from the techniques used by animals with feathers or scales, to begin with. The actions or traits of a species' predators have an impact on its ability to blend in. The prey species won't need to match the hue of its surroundings if the predator, for instance, is colorblind.
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If you forgot to heat fix a smear before doing a Gram stain, which of the following might occur?Select one:a. The stains would not adhere to the bacteria.b. The smear may not adhere to the slide.c. The decolorization step of the Gram stain would not work properly.d. Gram-positive and Gram-negative bacteria would both stain purple.
If you forget to warm the smear before doing the gram stain, the stain may not adhere to the bacteria. Here option A is the correct answer.
A smear is made by taking a sample of bacteria and spreading it evenly on a microscope slide. Heating the slide (heat fixation) is an important step in preparing the smear for staining, as it helps to adhere the bacteria to the slide and preserve their structural integrity.
If the smear is not heat-fixed, the bacteria may not adhere properly to the slide and will not take up the stains evenly. This can lead to inaccurate results when attempting to perform a Gram stain, as the bacteria may appear to be of different morphologies than they actually are.
Therefore, heat fixation is an important step in preparing a smear for a Gram stain and should not be skipped.
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what determines the carryingcapacity in an ecosystem
In biology and environmental science, the sporting potential of an organic species in a specific habitat refers back to the most quantity of individuals (of that species) that the surroundings can bring and sustain, thinking about its geography or bodily features.
Carrying potential will also be described because the populace length at which the populace increase price equals zero
Populations develop at a price constrained via way of means of the supply of the Earth’s sources. A populace can also additionally develop at a quicker price and observe a J-formed curve.
When the start price surpasses the dying price of the species, this effects in an exponential increase. However, this fashion quickly adjusts as sources end up constrained. The increase in price slows down.
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1) In Drosophila, the sex of a fly with the karyotype XO:2A is ________.
2) How many Barr bodies would one expect to see in cells of Turner syndrome females and Klinefelter syndrome males respectively?
3) How many Barr bodies would one expect to see in cells of Turner syndrome females and Klinefelter syndrome males respectively?
1. A diploid cell with two X chromosomes (2X:2A) indicates that the fly is female (Bridges 1921, 1925). As a result, male XO Drosophila are sterile. In flies, sex is not determined by the Y chromosome. Instead, it has genes that are involved in mature sperm development.
2). Typically, a person with Klinefelter syndrome has one Barr body. Turner syndrome sufferers do not have Barr bodies. A typical Barr body belongs to a female XX person.
The majority of cells in Drosophila melanogaster choose this independently of one another, resulting in diploid cells with one X chromosome (XY) being male and those with two X chromosomes (XX) being female. Sex-lethal (Sxl) is activated in XX animals by regulatory proteins that function in concert to transmit the X-chromosome number.
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Correct Question:
1) In Drosophila, the sex of a fly with the karyotype XO:2A is ________.
2) How many Barr bodies would one expect to see in cells of Turner syndrome females and Klinefelter syndrome males respectively?
The prominent domes and columns of American architecture exhibit the influence of
empiricism
baroque ideas
neoclassicism
capitalism
The prominent domes and columns of American architecture exhibit the influence of C. Neoclassicism
What is Neoclassicism?Neoclassicism, which was initially a reaction against the excesses of the Rococo style that came before it, is a revival of the many styles and spirit of classical antiquity that was directly inspired by the classical period, which coincided with and reflected the developments in philosophy and other areas of the Age of Enlightenment.
Hence, it can be seen that between the eighteenth and nineteenth centuries, America had a period of neoclassicism, which was a return to the classical ideals of the Greek, Roman, and other antiquity civilizations. American neoclassical paintings depicted history in excruciating detail.
It can be seen that prominent domes and columns of American architecture exhibit the influence of neoclassicism.
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Answer: choice C- neoclassicism
Explanation: The person above me is right and I got it right on the test.
Which of the following types of genetic drift is often used by humans to isolate specific characteristics so that they can then be eliminated? genetic bottleneck founder effect inbreeding outbreeding
Inbreeding is a type of genetic drift is often used by humans to isolate specific characteristics so that they can then be eliminated. Thus, the correct option is C.
What is Inbreeding?Inbreeding is the production of offspring from the mating or breeding of two individuals or organisms which are closely related genetically to each other. This term is used in human reproduction, however it more commonly refers to the genetic disorders and other consequences as well which may arise from the expression of deleterious or recessive traits that are resulting from incestuous sexual relationships and consanguinity between relate individuals.
The two main negative consequences of inbreeding include an increased risk of undesirable genes and the reduction in genetic diversity of a species. The House of Habsburg may be the best example of the effects of inbreeding in humans.
Therefore, the correct option is C.
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there are two brachiocephalic veins and ________ brachiocephalic artery (or arteries).
A. no
B. 2
C. 1
There are two brachiocephalic veins and 1 brachiocephalic artery (or arteries), which means option C is the correct choice.
Most humans handiest have one brachiocephalic artery, and it is at the proper facet in their chest. However, a few aortic arch versions can also additionally contain each a left and a proper brachiocephalic artery, or simply one at the left facet. The brachiocephalic veins additionally called the innominate veins, are massive venous systems placed inside the thorax and originate from the union of the subclavian vein with the inner jugular vein. The left and proper brachiocephalic vein be part of to shape the advanced vena cava at the proper facet of the top chest.
Thus, option C is the correct choice.
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Turn off the Significant Earthquakes layer and turn on the Significant Volcanic Eruptions layer. Observe the similarities between the locations of volcanoes and the plate boundaries.
More than half of the world’s volcanoes that are above sea level are located in the Ring of Fire. The Ring of Fire surrounds the Pacific plate, as shown on the map.
section of a world map highlighting the Ring of Fire
Zoom out as far as possible and locate the Ring of Fire on your map. Compare the location of the volcanoes in the Ring of Fire with the nearby plate boundaries. Using the plate boundaries legend, which type of boundary is most prevalent at the location of these volcanoes?
It is correct to state that "The Divergent/Transform Plate boundary" is the most common kind of barrier or boundary at these volcanoes called Ring of Fire. Please see the accompanying maps of the ring of fire.
What is a Transform Plate boundary?A transform fault, also known as a transform boundary, is a fault along a plate boundary with mostly horizontal motion. It suddenly stops when it joins to another plate boundary, which might be another transform, a spreading ridge, or a subduction zone.
The Ring of Fire, also known as the Circum-Pacific Belt, is a track that circles the Pacific Ocean and is defined by active volcanoes and earthquakes. The Ring of Fire contains the majority of the Earth's volcanoes and earthquakes.
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Prokaryotes are organisms that do not have defined nuclei in their cells. Eukaryotes are organisms that have cells with membrane-bound nuclei. In which of the following kingdoms are prokaryotes found?
A. Plant and Animal only
B. Protist, Fungus, Plant, and Animal only
C. Bacteria, Archaea, Protist, and Fungus only
D. Bacteria and Archaea only
(D) Bacteria and Archaea only are the kingdoms that prokaryotes can be found.
what are prokaryotes?A prokaryote is a single-celled creature without a nucleus or other organelles that are membrane-bound. The Greek letters v and v are where the word prokaryote is from. Prokaryotes were categorized into the empire in the two-empire system that resulted from Édouard Chatton's study. Prokaryota. The earliest single-celled microbes on Earth are prokaryotic cells. Archaea and bacteria are prokaryotes.
what are Bacteria and Archaea?Single-celled organisms make up the realm of Archaea. These microbes are prokaryotes since they do not have cell nuclei. When archaea were first categorized as bacteria, they were given the name archaebacteria, however this term is no longer used.
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When new atoms were formed through nuclear fusion, the mass did not equal the sum of its original parts. Where is the missing mass?.
When new atoms were formed through nuclear fusion, the mass did not equal the sum of its original parts. the difference can be found in the form of energy.
The process by which two or more atomic nuclei "fuse" to form a single heavier nucleus is known as nuclear fusion.
In the process of nuclear fusion:
The resulting single nucleus has a mass that is lower than that of the two original nuclei, indicating that matter is not conserved. The fusing nuclei's mass is converted into energy, which is released. The mass difference between when nuclei fuse and when an atom is formed is the source of this energy. As a result, when new atoms were created through nuclear fusion, their mass did not equal that of their original components; the difference is represented by energy.
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What type of joint is a gliding?
A gliding joint, also known as a plane joint, is a type of synovial joint that allows two flat surfaces to move against each other in one direction; specifically parallel or nearly parallel.
This type of joint is found in the wrist, elbow, and kneecap, allowing movement such as side-to-side rotation and bending forward and back. Additionally, this type of joint can be found in the ankles, toes and jaws where it can provide both rotational motion and abduction/adduction.
Gliding joints are generally classified as relatively simple or functional joints meaning they typically have limited involvement in weight bearing activities but nonetheless offer a wide range of movements between two bones.
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List, in simple terms, some of the important differences between Prokaryotic and Eukaryotic Cells.
a)
b)
c)
Some of the important differences between Prokaryotic and Eukaryotic Cells include a) the presence of organelles, b) cell nucleus and c) size.
What are the major differences between Prokaryotic and Eukaryotic Cells?The major differences between Prokaryotic and Eukaryotic Cells are associated with membrane bound organelles and cell nucleus in eukaryotic cells, while the relative size is higher in eukaryotic cells than in prokaryotic cells.
Therefore, with this data, we can see that the major differences between Prokaryotic and Eukaryotic Cells have differences regarding the structural features that lead to distinct functions.
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3. in contrast to transporters, channel proteins in cellular membrane: a: undergo a conformational change every time they transport an ion solute b: can only mediate passive transport c: form pores that are always open d: are always controlled by voltage
In contrast to the transporters, the channel proteins present in the cellular membrane can only mediate passive transport.
Active transport is a type of transport which requires energy for the movement of molecules through the cellular membrane whereas passive transport is a type of transport in which there is no expenditure of energy when the molecules are transported across the cell membrane.
All channel proteins present in the cellular membrane and many of the carrier proteins allow solutes to cross the membrane only via passive transport or facilitated diffusion. This is because the substances can only move through these channel proteins along the concentration gradient.
Hence, the correct option is b. can only mediate passive transport.
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Which of the following would have the highest albedo? Multiple Choice . asphalt forest fresh snow open water • soil . Which of the following statements is FALSE? Multiple Choice • A lot of the Sun's energy is used to heat water creating water vapor. Water vapor holds more heat than liquid water. This stored heat is called latent heat. Land provides far more water vapor (and latent heat) to enter the atmosphere than oceans. • The latent heat in water vapor can move heat from one place to another as the warm, moist air moves. When there is a lot of latent heat in water vapor, hurricanes and tornadoes can form. The climate is rainy at latitudes where convection cells warm and rise. The climate is dry at latitudes were convection cells cool and sink. . True or False
The greatest albedos of all surface features on Earth are found in snow and ice, which in some areas of Antarctica may reflect up to 90% of solar energy. Here option C is the correct answer.
The ALBEDO scale ranges from 0 (a black body that absorbs all incident radiation) to 1 (a body that reflects all incident radiation), and it measures the diffuse reflection of solar energy out of the total solar radiation.
The freshest snow would have the highest albedo. Fresh snow has a high albedo of 80–90%, which is a measurement of how much solar radiation is reflected by a surface.
The false statement among the options is "Land provides far more water vapor (and latent heat) to enter the atmosphere than oceans." Land doesn't provide more water vapor than oceans, in fact, oceans are the main source of water vapor in the atmosphere, due to their large surface area, and their capacity to store a large amount of heat energy. Oceans provide more latent heat and water vapor to the atmosphere than land.
Complete question:
Which of the following would have the highest albedo? Multiple Choice.
A - Asphalt
B - forest
C - fresh snow
D - open water
E - soil
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How important is the study of Mendelian genetics in our daily lives?
Very important, the study of genetics for life is to know the nature of inherited disorders in humans. By knowing the nature of these inherited disorders, we can avoid them.
An investigation of heredity in genetics was carried out by Mendel using garden peas. Mendel showed that the inheritance of certain biological genes from traits in pea plants followed certain patterns, now referred to as Mendel's Laws.
The inheritance of traits in living things is controlled by chromosomes and genes. Both functions as carriers of genetic information and can determine the nature of the offspring.
Through genetics, we can know the characteristics of our offspring and every living thing in our environment, because humans do not live autonomously and isolated from other creatures around them, but rather build an ecosystem with them.
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Select the statement(s) which accurately pair the triplets on the DNA to the condone on the mRNA. (pic attached)
How many pairs of homologous chromosomes are there in meiosis 1?
Meiosis consists of two rounds of cell division followed by no periods of DNA replication. This method cuts the number of chromosomes in half.
Human cells have 23 chromosomal pairs, with each chromosome inside a pair known as a homologous chromosome.
Before meiosis II, homologous pairs of cells exist and divide into chromosomes. During meiosis II, these chromosomes are separated into sister chromatids. Crossing over or recombination of genetic material occurs during meiosis I but not during meiosis II.
The first meiotic division results in the formation of two haploid cells. Because there is only one of each pair of homologous chromosomes at each pole, the cells are haploid.
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samples of csf for diagnostic purposes are normally obtained by placing the tip of a needle in the
Typically, a needle's tip is inserted into the subarachnoid space between the L2 and L5 vertebrae to acquire CSF samples for diagnostic reasons.
The cerebrospinal fluid (CSF), significant blood arteries, and cisterns are all parts of the subarachnoid area. According to the architecture of the surface of the brain and spinal cord, the cisterns are larger pockets of CSF that result from the separation of the arachnoid mater from the pia mater.
The cisterns are a result of the pia mater adhering tightly and firmly to the surfaces of the brain and spinal cord but rather loosely to the arachnoid mater. Anatomically, the subarachnoid space is located between the pia mater within and the arachnoid mater outside. Trabeculae, a network of tiny, thin connective tissue, joins these two layers and gives this area its distinctive spider web look.
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a pink or red rash that can appear on the chest or breasts during sexual arousal is known as:
A pink or red rash that can appear on the chest or breasts during sexual arousal is known as sex flush.
Flushing is often a red mark on the face or on other areas of the body that happens due to various physiological conditions. It is also a mark of carcinoid syndrome.
Sex flush is the increased flow of the blood of the skin and can occur in all the four phases of human response cycle. During female sex flush pinkish red dots appear under the breast and then it spreads to all over the breast, torso, face, hand, and sole of feet.
The sex flush disappears soon after a person reaches orgasm but very often it may take typically 2 to 4 hours for these signs to disappear.
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bone loss can be caused by the encroachment of a restoration on the biologic width. biologic width includes the junctional epithelium and gingival fiber bundles. group of answer choices a) both statements are true b) both statements are false c) the first statement is true; the second is false d) the first statement is false; the second is true
Both the statements are true as bone loss can be caused by the encroachment of a restoration on the biologic width and biologic width includes the junctional epithelium and gingival fiber bundles.
Epithelium is one of the four basic types of animal tissue, along with connective tissue, muscle, and nerve tissue. It is composed of an extraordinarily thin, continuous layer of densely packed cells with very little intercellular matrix. Epithelial tissues line many interior organ chamber surfaces, as well as the outside surfaces of the body's external organs and blood veins. The epidermis, the skin's top layer, is provided as an example.
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What industry played a major role in some of the first discoveries in Earth Science?
He made the discovery of the simultaneous descent of objects of various masses in the motion of uniformly accelerated objects. Galileo announced his first scientific discovery of the telescope on August 21, 1609, to the world's awe.
What is Earth science?The study of the Earth's structure, characteristics, processes, and 4.5 billion years of biotic development is known as earth science. Maintaining life on the earth requires an understanding of these phenomena.
The study of the earth's atmosphere (meteorology or atmospheric science), the water flowing on and beneath the surface of continents (hydrology), and the planet's seas and oceans are frequently included under the umbrella of "earth science" in general usage (oceanography or ocean sciences).
Thus, these are some of the first discoveries in Earth Science.
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Thin, broad bones should be classified as:
O flat bones.
O short bones
O irregular bones.
O long bones.
Thin, broad bones should be classified as flat bones.
Flat bones are those whose main purpose is to either provide vast protection or wide surfaces for muscle attachment. The sternum, skull, and rib cage are examples of bones that have grown into broad, flat plates. The occipital, parietal, frontal, nasal, lacrimal, vomer, hip bone, sternum, ribs, and scapulae are among the flat bones.
These bones are made up of two thin layers of compact bone that are sandwiched by varying amounts of cancellous bone, which is where the red bone marrow is located. The majority of red blood cells in an adult are created in flat bones.
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Distinguish between a gamete and zygote. Explain their roles in sexual reproduction.
Unfertilized reproductive cells are called gametes. A zygote is an egg that has been fertilized.
Sexual reproduction is the process of creating a child in which the male parent's sperm fertilizes the female parent's egg.
They gave birth to children who differ genetically from both of their parents. The meiotic process produces gametes, which have half as many chromosomes as their parent cells. At the moment of conception, this number of chromosomes is restored. When a zygote is formed, the number of chromosomes is equal to that of all body cells. One sex chromosome, either X or Y, and all autosomes are present in each gamete in one copy. All of the autosomes are duplicated in zygotes. The XX or XY chromosome is the sex chromosome.
So, the two stages of sexually reproducing organisms are gametes and zygotes, which help maintain a fixed number of chromosomes in every species.
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What does a chronological text structure used to signal a sequence of time?
A chronological text structure uses to signal a sequence of time is words and dates.
What is a chronological text structure?In а chronologicаl sequence, the аuthor uses the order of events, or chronology, to inform reаders аbout events or content. The events mаy be orgаnised by time or dаte, by аrrаnging events аs а series of steps or by following а list-like structure. Chronologicаl sequencing is commonly used in nonfiction texts. In nonfiction, there аre usuаlly cleаr time mаrkers such аs dаtes or times of dаy to indicаte а cleаr timeline.
Your question is incomplete, but most probably your full question was
What does a chronological text structure use to signal the sequence of time?
A. causes and effects
B. reactions to events
C. words or dates
D. responses to events
Thus, the correct answer is C.
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a muscle producing its maximum tension for a prolonged period is in __________.
A muscle producing its maximum tension for a prolonged period is in incomplete tetanus.The cross-sectional area of the muscle fibre and the frequency of brain stimulation determine how much tension is generated.
A persistent muscle contraction known as a tetanic contraction is generated when the motor neuron that innervates a skeletal muscle releases action potentials at a very fast rate. It is also known as a tetanized state, tetanus, or physiologic tension. Compared to isometric or concentric contractions, muscles can produce more force under eccentric stimulations. Within a sarcomere, the maximum tension is created when thick and thin filaments overlap to the greatest extent; stretching the sarcomere results in reduced tension.
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Describe the effective and ineffective aspects of your current note-taking methods, as well as your thought processes and behaviors in class.
Charting note-taking method is one the most effective methods for fact and data heavy lecture content. When the lecture content is highly structured and uniform the charting method provides an efficient way to keep up with the material while ineffective takes more thought in class or rewriting later cannot be used if the lecture is fast must have time to organize.
What is note-taking?Note-taking sometimes written as notetaking or note taking is the practice of recording information from different sources and platforms by taking notes, the writer records the essence of the information freeing their mind from having to recall everything.
There three different note-taking styles such as outline, visual or Cornell. Outline and visual notes are quick up-front but require more work after class to make them useful while cornell notes take the most work up-front but are the most useful later on.
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What role does mitosis play in fetal development? how does the same dna get in every cell?.
The replicated genome is divided (known as karyokinesis) and the cytoplasm is segregated during mitosis (cytokinesis). The lungs are the last significant organ to be finished.
As a result, during a mitotic cell cycle, the number of chromosomes remains constant, but during the S phase, the amount of DNA per chromosome doubles (each chromosome initially has one chromatid before dividing into two identical sister chromatids by mitosis). Throughout the course of the pregnancy, the embryo grows into a fetus. A neonate, or newborn, is the term used to describe the fetus at birth. Three main periods make up prenatal development.
The fetal stage, which lasts from the ninth week till birth, follows the embryonic stage, which lasts from the third to the eighth week after conception. The first two weeks after conception are considered the germinal stage. There are three stages of prenatal development: germinal, embryonic, and fetal. The lungs are the last significant organ to form. The lungs are the last significant organ to be finished.
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When the muscle of the heart weakens, fluid can accumulate around the lungs and in the legs. This picture is common with ______.
When the muscle of the heart weakens, fluid can accumulate around the lungs and in the legs. This picture is common with congestive heart failure.
Congestive heart failure (CHF) is a condition in which the heart muscle weakens and is unable to pump enough blood to meet the body’s needs. This can cause fluid to accumulate in the lungs and other parts of the body, causing breathing difficulties and swelling in the legs and feet.
Treatment for CHF usually involves lifestyle changes, such as eating a:
Healthy dietExercising regularlyAvoiding alcohol and smokingIn more advanced cases, medications and other treatments, such as a pacemaker or implantable cardioverter-defibrillator (ICD), may be necessary.
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Choose THREE examples that correctly predict the effect of a change on the ecosystem.
B
A decrease in the desert tortoise population will cause a decrease in the rattlesnake population.
D
An increase in the desert cottontail population will cause a decrease in the yucca population.
E
An increase in the red-tailed hawk population will cause an increase in the rattlesnake population.
The effect of a change on the environment is accurately predicted by the statement, a drop in the rattlesnake population will result in an increase in the kangaroo rat population, hence option C is correct
What is a food web in an ecosystem?A food web in an ecosystem is a representation of the interactions between various organisms that are present in that ecosystem and help to determine its biomass and energy.
With the use of this information, we can thus observe that a food web in an ecosystem is created by production creatures as well as consumers,
Therefore, both of these are represented by various species that form many interrelated tiers.
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The given question is incomplete so, the most probable question is,
Choose the example that correctly predicts the effect of a change on the ecosystem.
A. A decrease in the desert tortoise population will cause a decrease in the rattlesnake population.
B. An increase in the desert cottontail population will cause a decrease in the yucca population.
C. A decrease in the rattlesnake population will cause an increase in the kangaroo rat population.
D. An increase in the red-tailed hawk population will cause an increase in the rattlesnake population.
The protist group that is most closely related to animals is a _________.
A. Euglena
B. Choanocyte
C. Chytrid
D. Choanoflagellate
E. Nucleariid
D. Choanoflagellate
Choanoflagellates are the protists most firmly connected with creatures. Choanocytes are wipe cells that unequivocally look like choanoflagellates and line the creature's depressions.
In creatures, respective evenness is constantly connected with the B. improvement of a head. Creatures with reciprocal evenness frequently have a foremost head, a back tail, a top, and a base, as well as a right and a left side.
Most creature phyla have a place with the clade Radiata. All creatures share a typical predecessor. It is remembered to have been a protist like a choanoflagellate.
There are four fundamental sorts of creatures like protists; these are single adaptable cells, lashes, ciliates, and sporozoans.
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