Answer: D Osmosis
Explanation: Water moves into and out of cells by osmosis
The "waxy coat" present on some of the leaves of the Canadian Buttercups serves what purpose?A. To make it slippery to insectsB. To prevent the stomata from openingC. To allow water to slide off the petalD. To protect it from extreme temperatures
The waxy coat on plant's leaves serves to retain water. It is composed of cutin, a wax-like material produced by the plant which is chemically a hydroxy fatty acid.
C.
Why do fungi not produce egg or sperm cells?
There are no other organisms that can help fungi pollinate.
Fungi do not produce flowers or cones to make egg or sperm cells.
Fungi reproduce using spores as their reproductive cells.
Fungi are not large enough to create egg or sperm cells.
Fungi not produce egg or sperm cells because Fungi do not produce flowers or cones to make egg or sperm cells, and Fungi reproduce using spores as their reproductive cells.
Fungi- Along with plants, animals, protozoa, & monera, fungi are members of the kingdom Fungi, which is composed of eukaryotic organisms. The variety of fungi is astounding, and some of the most typical types include yeast, molds, truffles, & mushrooms.
Spores- Certain fungus, plants (moss, ferns), & bacteria create spores, which are cells. Reproduction involves spores. As a form of defense, certain bacteria produce spores. Spore walls are very thick. They can withstand extreme climatic conditions including extreme temps, humidity, and others.
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40. The evidence of evolution that centers around the anatomy of a species isknown asA. biochemical evidence.B. morphological evidence.C. fossil evidence.
The changes in morphology allow us to differentiate between species, but also, the anatomic similarities as some bones, like humerus, and radius, between others, help the scientist to evidence the evolution. So morphological evidence is the data used to determine evolutionary relationships. The answer would be B.
DEFINE INTERCALARY MERISTEM
A basic meristematic structure called an intercalary meristem contains cells that can divide and aid in the growth of the plant. They are situated at the internode bases.
What does intercalary mean?placed inside a calendar. a day of intercalation. containing an intercalary period (such as a day or month) of a year; interpolated; inserted between other things or sections.
What is the intercalary meristem's other name?As a result, the intercalary meristem in grasses is frequently called the grass meristem.
Are where intercalary meristems to be found?The meristems found at the base of an internode's stem or leaf are known as intercalary meristems.
It aids in the lengthening and expansion of plants' nodes and internodes (stems and leaves), as well as their longitudinal growth (grasses).
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What is the function of the ozone layer?A. To absorb carbon dioxide.B. To trap infrared radiation.C. To block UV radiation.D. To recycle sulfur dioxide.
The correct answer is C. To block UV radiation. Ozone filters the majority of UV spectra, so it protects organisms from its effects.
I need help with this practice problem solving My questions for you are at the top
Hi. We just had a session with this same question is there any doubt left?
What two parts of a nucleotide create the
backbone of DNA?
Two strands that form DNA are twisted together to form a ladder-like structure. Each strand's backbone is made up of deoxyribose and phosphate units that alternate in direction.
How does DNA work and what does it look like?The instructions needed to build every protein an organism will ever need are encoded in its DNA, which is its genetic memory. The cell nucleus of eucaryotes houses DNA. An individual DNA molecule is made up of two complementary chains of nucleotides. An explanation of heredity's mechanism is provided by DNA's structure.
The nucleotides that make up DNA are chemical building blocks. One of four different types of nitrogen bases, a phosphate group, a sugar group, and these building blocks are the three components that make them up.
Genetic, immunological, and structural activities of DNA are now three separate and radically different roles.
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FORENSIC SCIENCE - EASY
If you were investigating a crime and received a genetics report, which would be the most useful characteristic in helping identify the suspect?
Blood type
Brown hair
Blonde hair
Blue eyes
Thirty radish seeds moistened with plain
tap water all sprouted in three days. However,
NONE of a group of thirty radish seeds
moistened with salty tap water sprouted in that
time. What is the best way to investigate whether
the salt in the water killed the second group of
seeds or just prevented them from sprouting?
A. Repeat the experiment with all new seeds
B. Repeat the experiment with new seeds, but
use a greater amount of salt in the water
C. Rinse all salt off the unsprouted seeds and
moisten them with plain tap water
D. Rinse all salt off the unsprouted seeds and
moisten them again with salt water
Read the following paragraphs from the section "Open Defecation Is A Dangerous Practice."In sub-Saharan Africa — the lands south of the Sahara desert — the proportion of the population practicing open defecation is slightly smaller. It stands at around 23 percent. Still, 40 percent of the population in this region lacks safe drinking water. Moreover, gender inequality there is more prominent than in South Asia. In sub-Saharan Africa, more than 25 percent of the population must walk 30 minutes or more to collect water. This task falls on women and girls nearly all the time. In fact, this collection happens in many poorer, developing nations. It takes critical time away from women.Moreover, Africa has a high risk of desertification. This is the process by which land becomes desert. This reduces the availability of freshwater even further and increases the threat of water inequality in the future.How is the central idea developed in these two paragraphs?Question 4 options:by giving an example of how lack of infrastructure and advanced treatment facilities cause water inequalityby showing that sub-Saharan Africa is the region most affected by water inequality in the worldby describing how lack of fresh drinking water affects people suffering from water inequalityby explaining how open defecation is the main reason behind contamination of water
The correct option is the first one "by giving an example of how lack of infrastructure and advanced treatment facilities cause water inequality". Since, the paragraphs deal with these two core ideas: 1.- desertification danger and its consequences; 2.- the precarious conditions and gender inequity to obtain water.
Why do fungi not produce egg or sperm cells?
There are no other organisms that can help fungi pollinate.
Fungi do not produce flowers or cones to make egg or sperm cells.
Fungi reproduce using spores as their reproductive cells.
Fungi are not large enough to create egg or sperm cells.
Fungi do not produce egg or sperm cells because they reproduce using spores as their reproductive cells.
Fungi undergo a reproductive phase by producing and releasing enormous amounts of spores after a period of intense growth. Spores are often solitary cells that are created by mycelium fragmenting or within specialized structures (sporangia, gametangia, sporophores, etc.).
Spores can be created directly through asexual reproduction or indirectly through sexual reproduction. As with all living things, sexual reproduction in fungi entails the joining of two gametes (sex cells), which brings two nuclei together. Asexual reproduction, which is easier and more direct, can be carried out in a number of ways.
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1. Which movement is not associated with the scapula?
Answer: H>LLO
Explanation:
HELLO :) CAN U ADD ME AS A FRIEND?
Does lymph can direct through the arteries
Lymph, which is a substance different from the blood that carries out nutrients from the extracellular media of the different tissues of our body, flows through specific vessels, known as lymphatic vessels, so they don't go directly through the arteries, as we can see in the following picture:
Particulates are a form of air pollution usually produced byA. eutrophicationB. the combustion of fossil fuelsC. production of ChlorofluorocarbonsD. acid rain
Particulates are produced by cars, trucks, florest fires, factories, etc. Any sources from the comb ustion of fossil fuels. Therefore, the correct answer is B. the combustion of fossil fuels
In watermelons, the genes for green color and for short shape are dominant over their alleles for striped fruit and long shape. Suppose a plant that has genes for long striped fruit is crossed with a plant heterozygous for both these traits. What would be the phenotypic ratio of offspring from this cross?
Based on the genotype of the parents, the phenotypic ratio of the offspring is 1 : 1 : 1 : 1
What is the genotype of the parents of the cross?The genotype refers to the sum total of the genes present in an organism.
The genotype may also refer to the sum total of the genes that an organism has for a particular trait.
The genotype of the parents of the cross of the watermelons is determined as follows:
Let the allele for green be G, and the allele for stripped will be g.
Let the allele for short shape be S, and the allele for long shape will be s
Therefore, the genotype of a plant that has genes for long-striped fruit is ggss, and the genotype of a plant heterozygous for both these traits will be GgSs
The cross will be as follows: ggss x GgSs
The offspring of the cross will be: GgSs, GgSs,GgSs, GgSs, Ggss, Ggss, Ggss, Ggss, ggSs, ggSs, ggSs, ggSs, ggss, ggss, ggss, ggss.
GgSs = green and short
Ggss = green and long
ggSs = striped and short
ggss = striped and long
The phenotypic ratio is 1 : 1 : 1 : 1
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Which of the following decreases the life expectancy of a population?I. High infant mortalityII. Poor sanitationIII. Adequate healthcare
The correct answer is II. Poor sanitation. This increases transmission of infectious disease which harms life expectancy. In the worst cases it creates epidemics that decimate populations, like black death in the eighteen century.
Cell differentiation produces cells with different gene expressions. TrueFalse
All somatic cells contain the same genes, the only difference among them is on what genes are expressed. Therefore, this statement is true.
If a city
were a model for a cell,
would wastewater be more
likely part of endocytosis or
exocytosis? Explain.
If a city were a model for a cell, would wastewater be more likely part of endocytosis.
Briefing:The process of engulfing an object or particle with the cell membrane and bringing it inside the cell is known as endocytosis. The membrane completely encloses the substance by folding it over.
What is an endocytosis ?Endocytosis is the process by which cells take in foreign material by encasing it in their membrane. The two primary kinds of endocytosis are ocytosis and receptor-mediated endocytosis.
What is endocytosis transport?Endocytosis is a term that refers to a variety of active transport processes that carry particles into cells by encasing it in vesicles made of plasma membranes (endo = internal, cytosis = transport mechanism).
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Enzymes speed up reactions by lowering the activation energy of a reaction. This is comparable withA.reducing the force a ball needs to start rolling down a hill B.increasing the height an apple will fall from a tree C.causing a snow storm in the middle of summer when temperatures are hot D.blocking a flowing river with a dam to stop the flow E.All answers are correct
The enzymes activity is mensured to indicate the rate of reaction catalysed by that protein, the action of the enzyme is to decrease the time required for a natural reaction to occur, for example the sucrase breaking down the sucrose, or a lactase for lactose. Therefore, the option with a example that is similar to enzymatic activity is A. reducing the force a ball needs to start rolling down a hill (the force for the start of the movement is comparable with the activation energy of a chemical reaction). The other options present situations opposite to what is expected from the action of a catalyst molecule.
What happens to oil when it enters the water? Explain how this property of oil contributes to the effects of oil spills in ocean ecosystems.
Oil is insoluble in water. When oil spills in the ocean it creates great "oil islands". These islands are devoid of nutrientes, oxygen or any compound normally found in water. So they represent a massive perturbation to marine biota. Beside this oil disrupts, and frequently kills, marine fauna, such as water birds, and cetaceans.
Using the drop-down menus, identify the structures common to all cells.
Every cell contains the following elements: A depiction of DNA is shown by Label A.
The cell structure would be indicated by Label B.
Label C had really been applied to the ribosome.
The designation D designates the cytoplasm.
It appears that DNA and deoxyribonucleic acid make up the genetic material. The building blocks of DNA, known as nucleotides, had just traditionally consisted of something like a nitrogen base, a sugar, as well as a phosphate molecule.
The plasma membrane is yet another term for such cell membrane. According to the juxtaposition of a relatively lipid bilayer, it provides a protective barrier for the constituents of cells as well as simultaneously simplifies the process for compounds to be moved between cells.
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Properties of Matter Unit Test
7 of 117 of 11 Items
Question
Which of the following statements is true?(1 point)
Responses
The density of water is 1 gram per milliliter, so objects with a relative density of 1 milliliter per gram will float.
The density of water is 1 gram per milliliter, so objects with a relative density of 1 milliliter per gram will float.
The density of water is 1 gram per milliliter, so objects with a relative density greater than 1 gram per milliliter will float.
The density of water is 1 gram per milliliter, so objects with a relative density greater than 1 gram per milliliter will float.
The density of water is 1 gram per milliliter, so objects with a relative density greater than 1 gram per milliliter will sink.
The density of water is 1 gram per milliliter, so objects with a relative density greater than 1 gram per milliliter will sink.
The density of water is 1 gram per milliliter, so objects with a relative density less than 1 gram per liter will sink.
The statement that is true is as follows: the density of water is 1 gram per milliliter, so objects with a relative density greater than 1 gram per milliliter will sink (option C).
What is density?Density is the measure of the mass of matter contained by a unit volume. The density of a liquid substance is a determinant of whether the substance will float or sink in water.
Water is a liquid substance with a density of 1 gram per millilitres (1 g/mL). This suggests that any substance with greater density than that of water will sink while any substance with lesser density than water will float.
Density is a measure of how heavy something is compared to its size, hence, if an object is more dense than water it will sink when placed in water, and if it is less dense than water it will float.
Therefore, according to this question, objects with a relative density greater than 1 gram per milliliter will sink.
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Which is NOT a phraseused by Darwin to describeevolution?A. "natural selection"B. "survival of the fittest"C. "struggling for existence"D. "evolution is artificial"
Let's recall what Charles Darwin found:
He stated that natural selection plays a huge role in evolution. He claimed that organisms that had the best traits well-adapted for their specific ecosystem would be able to survive the longest (the most fitness and also known as "survival of the fittest").
Also recall what happens in an ecosystem and food webs as well as the logistical growth equation:
[tex]\frac{dN}{dt}=r_{max}N\bigg(\frac{K-N}{K}\bigg)[/tex]Ecosystems have only so many amounts of resources, or limited resources. Therefore, organisms within the same ecosystem will compete for these resources. These organisms will struggle and fight to survive. They either adapt or they get killed off.
Therefore, the best answer choice that doesn't describe Darwin's statements about evolution is answer choice D.
Describe what happens to albedo as the planet moves
back toward the sun and explain the reinforcing feedback this creates in the
climate system, exacerbating temperature and climate change.
Albedo is decreasing as the earth moves back towards the sun.
This is because the heat generated from the sun makes the ice caps melt.
Snow and ice reflect a lot of the sun’s energy back into space. The darker oceans absorb energy, which warms the water. Oceans help keep the Earth warm because they absorb a lot of heat (approximately 90%).
This warming increases water vapour, which acts as a greenhouse gas and helps to keep temperatures within ranges humans have largely taken for granted for millennia.
What is Albedo?
Albedo is a measure of the reflectivity of a surface. The albedo effect when applied to the Earth is a measure of how much of the Sun's energy is reflected back into space. Overall, the Earth's albedo has a cooling effect.
Hence, the Albedo is decreasing as the Earth moves back towards the Sun.
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What factors can cause an enzyme to become denatured?A. lonization and pHB. Temperature and HumidityC. Humidity and lonizationD. pH and Temperature
The correct option is D. pH and temperature
Enzymes can be denatured in different ways:
-decreases in pH
- increase beyond the optimal temperature
A denatured enzyme refers to an enzyme that has lost its normal three-dimensional, or tertiary, structure that means it is no longer able to function.
6. Use complete sentences to define the following terms or phrases in your own words.Short AnswerA. NeanderthalB. BipedalC. GenusD. Species (Include what members of a species can do)
A. Neanderthal- they are the closest extinct human relative that lived in Europe and Asia about half a million years ago to 30 thousand years ago. They had archaic head features and stocky bodies.
B. Bipedal- refers to having two legs that are used for walking or for locomotion. It could also define as having two legs that are used mostly for movement. Examples of bipedal include humans, great apes, kangaroos, and the like.
C. Genus- a part of a taxonomic category that is placed after Family. This classification includes organisms that are closely related to each other and are made up of one or more species.
Example: Genus: Equus
Species: Equus quagga (zebra)
Species: Equus caballus (horse)
D. Species- refers to the taxonomic category that is placed after the Genus. This includes organisms that are capable of interbreeding and producing fertile offspring.
Example: Ursus americanus (black bear)
What is magnetism ?
.....
Answer: a physical phenomenon produced by the motion of electric charge, which results in attractive and repulsive forces between objects.
Explanation:
How does the color adaptation help fish residing in the coral reefs?
The bright body color of the fish in the coral reefs helps in ________ to hide from the predator or ambush a prey.
the correct answer is in the picture since no one put the right answer
Answer:
u already got the answer right what ur question
Answer:
camouflaging
Explanation:
plato
The disappearance of the Mayan civilization from the Yucatan Peninsula in Mexico is a mystery that archacologists have been trying to solve. Scientists have collected data from theformations in caves, sediment, and tree rings. Analysis of the data resulted in the following graphs.Which explanation is supported by the data as to the disappearance of the Mayan people?A.The increase in sulfur in the sediment caused acid rain. Acid rain killed all of the crops. Without an ample source of food, the Mayan population decreased as a result of starvation.B. Pure oxygen is deadly to living organisms. The rise in oxygen levels caused the surrounding organisms to die. This left any surviving Mayan people without a source of food.C.The Mesoamerican peoples of the Postclassic era fought with and defeated the Mayans. The Mayan population was greatly reduced. Any remaining Mayans assimilated with thevictorious peoples.D. A change in the regional climate resulting in a period of drought, as indicated by the increase in oxygen and sulfur in the tested samples, caused the failure of the Mayan civilization.
The correct option is D. A change in the regional climate resulting in a period of drought, as indicated by the increase in oxygen and sulfur in the tested samples, caused the failure of the Mayan civilization. Both variables, oxygen and sulfur, increased prior to Mayan collapse. Their increase could underlie climatic changes that led to Mayan people disappearance.
When a gardener only plants seeds from the roses that are dark red, the process involved isSelect one:a.artificial variation.b.natural selection.c.artificial selection.
The process of selective breeding species, as the one we can see in the question's paragraph, is known as artificial selection, and it's a way to propagate a trait in the next generation of that species, in that case, it would be the dark red color of the roses.
