Answer:
Four main types of species interactions that occur between organisms in an ecosystem: Predation, parasitism and herbivory - In these interactions, one organism benefits while the other is negatively affected.
How do greenhouse gases affect Earth’s atmosphere?
Answer:
The greenhouse effect is a natural process that warms the Earth's surface. When the Sun's energy reaches the Earth's atmosphere, some of it is reflected back to space and the rest is absorbed and re-radiated by greenhouse gases The absorbed energy warms the atmosphere and the surface of the Earth.
Explanation:
Hope this helps
Answer:
The atmosphere pretty much blocks the greenhouse gases from escaping, and it warms the Earth, hence global warming.
Explanation:
This table shows how the levels of classification have changed with each major scientist.
Which number belongs in the space labeled X?
A. 5
B. 7
C. 8
D. 10
Answer:
Woese increased the number of levels of Hierarchy from 7 to 10, therefore the answer is D. 10
Explanation:
Carl Woese classified the three domains of life so 10 belongs in the space labelled X.
Who was Carl Woese?Carl Richard Woese was a microbiologist and biophysicist from the United States.
Woese is best known for identifying the Archaea (a new category of life) in 1977 through the phylogenetic taxonomy of 16S ribosomal RNA, a technique he pioneered and which revolutionized microbiology.
In 1967, he also proposed the RNA world idea, though not under that name.
Woese was a professor of microbiology at the University of Illinois in Urbana–Champaign and held the Stanley O. Ikenberry Chair.
Woese classified the various living forms into three categories:
Eubacteria, Archaebacteria, and Eukaryotes.
The three-domain classification is also useful for determining the evolutionary relationships between organisms.
Hence, the correct answer is D i.e. 10
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In order for organisms to stay alive, what are some of the essential chemical substances that must be able to enter and leave cells? Check all that apply.
water
oxygen
Glucose/sugar
soil
Answer:
water,glucose and oxygen are all essential to keeping organisms alive.
Which process occurs as various body parts form in a developing embryo?
options:
Meiosis
Fertilization
Differentiation
Answer:
The correct answer is differentiation.
Explanation:
The process of development during which the cells of the embryo specialize and the origination of different tissue compositions take place is known as embryonic differentiation. An organism is formed of distinct cell types, with each exhibiting specific functions. During embryogenesis, differentiation of cells is essential for the cell, organ, tissue, and organism's identity.
With the development of an embryo, the individual cells start to differentiate. In the embryo, the differentiation of cells takes place by both extracellular and internal cellular factors. The phenomenon of embryonic development plays an essential part in the proper development of an organism.
What phase of mitosis is shown in the image?
a.
prophase
b.
metaphase
C
anaphase
d.
telophase
e.
cytokinesis
b- metaphase is the phase of mitosis shown in the image
HOW DO PROKARYOTIC ORGANISMS MAINTAIN HOMEOSTASIS?
Answer:
Prokaryotes can make proteins to help stop the negative effects of a change in either pH or temperature.
Explanation:
Proton pumps help balance out pH, while heat shock proteins help keep proteins together when temperature climbs too high. hope this helps
The border between two tectonic plates lies below the state of California. The interaction of these two plates results in which of the following?
a.) Mild Climate
b.) Rich, fertile soil
c.) Frequent earthquakes
d.) Occasional wildfires
Answer:
Frequent Earthquakes
Explanation:
californication
The interaction of these two plates results in frequent earthquakes.
What is an earthquake?An earthquake is a sudden and intense shaking of the ground caused by the movement of tectonic plates in the Earth's crust. Earthquakes can result in damage to buildings, roads, and other structures, as well as cause landslides, tsunamis, and other natural disasters.
They are caused by the release of energy from tectonic plates as they shift and interact with one another. Earthquakes are measured on the Richter scale, which is used to determine their magnitude and potential for causing damage. The frequency and intensity of earthquakes can vary depending on location, with some areas experiencing more frequent or severe earthquakes than others.
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do ducks burp???? is water wet???? Why do sharks hate fresh water??? Can i develop gills?
Answer: I think ducks might burp. Sharks do not mind freshwater. Water is not wet. And yes you can most likely grow gills after awhile of in water or in that is really damp.
Explanation:
Which of the following words describes the reality that the universe looks the same
from various perspectives
distribution pattern
cosmological
symmetrical
isotropic
Answer:
Isotropic
Explanation:
When astronomers look inside of a powerful telescope they were able to see that the universe looks the same in all directions. Isotropic is just another word for 'same in every direction' even if you stand in the center and look in every direction.
Hope this helped :)
what is the name of the cell that activates CD4 and CD8 cells?
Hey there! Let's solve the problem:
CD4 T cells activate CD8 T cells through an underhanded cycle including an antigen presenting cell (APC), customarily a standard dendritic cell (DC). An APC presents a peptide to a true CD4 T cell through a Class II MHC molecule.
Lurching gait is due to paralysis of which two muscles?
Select one:
a. Glutei maximus and minimius
b. Gluteal medius and minimus
c. Gluteal maximus and medius
d. Gluteal maximus
1) Which picture in the diagram would be classified as a prokaryote?
Α) Α
B) B
0 C
D) D
Answer: the answer is A
Explanation:
Brainliest best answer.
Which statement best describes how the Sun and the planets are related?
Question 6 options:
The Sun rotates on its axis.
The planets revolve around the Sun.
The Sun revolves around the planets.
Planets rotate on their axes.
Answer:
i would say the planets revolve around the sun
On average, a 1°C change in temperature is enough to put corals at risk of bleaching and death. Based on the slope of the trendline, in how many years will global temperatures be 1°C above average? Show your work and justify your answer.
It takes 50 years to rise global temperatures to 1°Celsius.
It takes 50 years to rise global temperatures to 1°Celsius if the temperature increases per decade is 0.18 °Celsius. From 1880, global temperature increased at an average rate of 0.07°Celsius (0.13°F) per decade but due to industrial revolution the average rate in global temperature increase double i. e. 0.18°Celsius.
If global temperature increases with the rate of 0.18°Celsius per decade, it takes about more that 50 years to reach global temperature to 1°Celsius so we can conclude that 50 years is needed to rise global temperatures to 1°Celsius.
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What is the correct sequence of molecules involved in protein synthesis from beginning to end?
Answer:
The correct sequence of events in protein synthesis is transcription then translation. First, during transcription DNA is copied to mRNA in the nucleus. Then, mRNA is edited, processed and exported to the cytoplasm. Next, translation occurs.
Explanation:
Messenger RNA (mRNA) molecules carry the coding sequences for protein synthesis and are called transcripts; ribosomal RNA (rRNA) molecules form the core of a cell's ribosomes (the structures in which protein synthesis takes place); and transfer RNA (tRNA) molecules carry amino acids to the ribosomes during protein. The process in which the messenger RNA (mRNA) molecule on a ribosome is decoded to produce a sequence of amino acids for protein synthesis. The process in which a strand of messenger RNA (mRNA) is synthesized by using the genetic information found on a strand DNA as a template.
The correct sequence of molecules involved in protein synthesis from beginning to end - DNA → mRNA → tRNA → Protein
Protein synthesis is a two-step process that involves transcription and translation to make proteins from a DNA sequence through the help of other molecules and organelles.
Transcription is the process of copying genetic information from the DNA sequence into the mRNA sequence that moves to the cytoplasm.The translation starts in the cytoplasm that is a translation of mRNA molecules to amino acid chains.mRNA molecules bind to the ribosome and with the help of tRNA molecules form an amino acid sequence.These amino acids chain are called peptide chains or proteins.Thus, the correct sequence of molecules involved in protein synthesis from beginning to end - DNA → mRNA → tRNA → Protein
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In sheep, white wool is dominant over spotted wool. If 10 purebred white wool sheep (TT) are crossed
with 10 spotted wool sheep (tt), how many offspring will have spotted wool?
05
O 10
ОО
04
Answer:
0
Explanation:
This question involves a single gene coding for wool color in sheeps. The allele for white wool (TT) is dominant over the allele for spotted wool (tt). This means that a sheep with an heterozygous genotype (Tt) will be white-wooled.
In this cross, 10 purebred white wool sheep (TT) are crossed with 10 spotted wool sheep (tt). This will give rise to all offsprings with heterozygous genotype: Tt (see attached image for punnet square). Since, white wool (T) is dominant, all the offsprings will have a white wool and none i.e. 0 will have a spotted wool.
Which fish have a skeleton made of cartilage? Check all that apply.
goldfish
hagfish
rays
seahorses
sharks
tuna
Answer:
Ray's and Sharks
Explanation:
It is rays, sharks, chimeras, and skates
Answer:
its b,c e
Explanation:
Arrange the following steps from a typical genetic modification procedure into their correct sequence.
a. Select the gene of interest + insert into plasmid
b. Protein product harvested from bacteria
c. Isolate bacterial plasmid
d. Bacteria replicate
e. Cloned gene harvested from bacteria
f. Plasmid taken up by bacterium
Answer:
f. Plasmid taken up by bacterium
c. Isolate bacterial plasmid
a. Select the gene of interest + insert into plasmid
b. Protein product harvested from bacteria
d. Bacteria replicate
e. Cloned gene harvested from bacteria
Explanation:
Genetic modification refers to the methods used to obtain genetically modified organisms (GMO). Plasmids are widely used in genetic engineering to transfer target genes into bacterial cells and/or cells of higher organisms. For example, in plants, the Agrobacterium-mediated transformation process involves the use of this bacterium to obtain GMO:
1) A T-DNA plasmid is removed from Agrobacterium tumefaciens and this transfer DNA (T-DNA) is cleaved using a specific endonuclease enzyme
2) A piece of foreign DNA fragment (target gene sequence to insert) is split off and then integrated into T-DNA
3) Recombinant plasmids are re-inserted into Agrobacterium and then bacteria are used to insert target DNA into plant cells
4) Plant cells grown in culture in order to obtain GMO adult plants with the desired genetic modification
Where does glycolysis occur? (Cellular Respiration.
A- Cytoplasm
B- Mitochondrion
C- Nucleus
D- Cell Membrane
THE ANSWER IS - A- Cytoplasm.
I took the test and go this answer correct!!!!!!
which of the following correctly describes the process being illustrated?
During prophase I of meiosis I, alleles cross over and recombine to form non-identical haploid chromatids. Therefore, option , (D) is the process being illustrated.
What happens in prophase I ?Prophase I of meiosis I is a process that consists of five distinct stages during which genetic material in the form of alleles undergoes crossover and recombination to generate non-identical haploid chromatids. Prophase I of meiosis I is the first step of meiotic division.
The first stage of meiosis is known as Prophase 1, and it is differentiated into five distinct phases: leptotene, zygotene, pachytene, diplotene, and diakinesis.
In what is referred to as the synaptonemal complex, the paired chromosomes, one of which is of paternal origin and the other of which is of maternal origin, associate with one another along the entirety of their length. Pachytene is the name given to this stage of meiotic prophase I because at this point the paired chromosomes have compacted and appear to be fat.
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It is the process in which the genetic code in mRNA is read, one codon at a time, to make a protein.
A Translation
B Replication
C Transference
Answer:
C
Explanation:
Water and the Earth 1:Question 3
In the water cycle, gravity is a factor that pulls things down. Which of
these processes in the water cycle is helped by gravity?
Select one:
O
Condensation
O
Transpiration
O
Runoff
O
Evaporation
Answer:
Runoff
Explanation:
The other answers involve the water particles rising to the clouds. So those processes work against gravity and not with it. Runoff uses gravity to flow back into the ocean or large body’s of water.
Which best describes the relationship between DNA, geans, and chromosomes?
Answer: Genes are segments of DNA which form tight coils called chromosomes.
How is the nitrogen cycle important to DNA and synthesis of proteins?
Answer:
Once nitrogen is converted into compounds like ammonium and nitrate, these can be taken up from soils by plants and then the nitrogen can be used to form macromolecules like proteins and nucleic acids (DNA and RNA). ... It is an important part of many cells and processes such as amino acids, proteins and even our DNA.
Explanation:
Hope it helps...:)
sources of oxygen and how the fish in water gets oxygen
This process requires large volumes of water to pass through absorption surfaces to get enough oxygen into their bodies using their mouths and gills. These body parts work like a pump to keep water moving over the gas absorption surfaces of the gills.
Answer:
The sources of oxygen is oxygen supply . The fishing water gets oxygen , fish have gills to breathe in the oxygen contained in water.
Which of the following is NOT true of Chlorophyll?
A) It reflects all the colors of light but absorbs the green.
B) It reflects the green wavelengths of light and absorbs all the rest.
C) It is essential for photosynthesis?
Answer: A.It reflects all the colors of light but absorbs the green.
Explanation:
Photosynthesis, which gives plants their green hue, requires chlorophyll. Therefore, option (A) is not true.
What is chlorophyll?Chlorophyll, the pigment that gives plants their distinctive green hue, is crucial to the process of photosynthesis, which provides energy for a plant's metabolism, growth, and reproduction. Because chlorophyll does not absorb the green wavelengths of white light, it is chlorophyll that gives plants their green hue. The plant appears green because it reflects that particular light wavelength. Autotrophs are plants that produce their own sustenance through photosynthesis.
The stroma, which is the area between the thylakoid and chloroplast membranes, is where the chlorophyll, the green pigment, is found.
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4. Oxygen molecules move across cell membranes through a process called
O diffusion
O collision
O engulfing
osmosis
Answer:
Diffusion
Explanation:
Oxygen molecules can travel through the phospholipid bilayer using diffusion. Diffusion is when molecules travel from a higher concentration to a lower concentration.
How the seedling continues to growth without cotyledon
Mystery bull punnet square
Answer:
1. All red offsprings
2. All roan (RW) offsprings
Explanation:
According to this question, the allele for red color (R) is codominant with the allele for white color (W). Hence, an heterozygous cattle will give a roan color (RW).
- for cross 1 between RR and RR, only R gametes will be produced by both parents, hence, all the offsprings of this cross will possess a RR genotype i.e. all red traits
- Also, in cross 2 between RR and WW parents, RR will produce gametes R while WW will produce gametes W, hence, all the offsprings will have a genotype RW i.e. roan color
Choose the answer that best completes the sentence. ______ zebra mussels can live six or seven years, now it seemed that most were dying after only one or two years.
Answer:
C
Explanation:
A. Since
B. Because
C. Although
D. For example
Zebra mussels have been known to have a lifespan of six or seven years in the past but recent discoveries have shown that their average lifespan now ranges between one to two years. Hence, the correct word to fill in the gap would be 'Although'.
The correct option is C
