The answer is b, decrease the oxygen gas pressure
Answer:
all of them apply
Explanation:
In my opinion all of them apply (except the 4th one). Ecosystems can be small, big, have living and non-living parts and they are made of biomes. Not only can ecosystems vary in size, but they can also differ in just about every imaginable biotic or abiotic feature.
Both internal and external factors are capable of regulating the cell cycle of a specific type of cell (Option a).
<h3>What is the cell cycle?</h3>
The cell cycle refers to the period of life of a cell from which it is generated until its division (cytokinesis).
The cell cycle of a cell is regulated by internal factors such as cyclins and kinases that phosphorylate specific proteins as well as external factors that trigger the cell division (e.g. temperature conditions).
In conclusion, both internal and external factors are capable of regulating the cell cycle of a specific type of cell (Option a).
Learn more about the cell cycle here:
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Ocean waters has its own level of density which depends of the climate, temperature and most of all the location where it came from. The more the ocean water absorbs heat the more its density as a result it rises above from cold to hot. So the the water from the Antarctica usually is less dense and then become more dense when it goes to the equator which is more hot.
Answer:
e. Epistatic interaction of the two genes
Explanation:
The 9:7 ratio is typical of the Duplicate Recessive Epistasis.
The expected phenotypic ratiio of the offsrping of a dihybrid cross is:
9 A_B_
3 A_bb
3 aaB_
1 aabb
In the Duplicate Recessive Epistasis, the A_bb, aaB_ and aabb individuals all have the same phenotype, making for the ratio 9:7. What those three genotypes have in common is that in all of them at least one of the two genes is homozygous recessive (either <em>aa</em> or <em>bb</em>).
This usually happens one the products of genes A and B are enzymes of the same metabolic pathway.
Whenever both A and B are present, the pathway can produce the final product and a certain phenotype. However, if any of the dominant alleles is missing, the enzyme is not produced and therefore the final product of pathway is not produced, giving the other phenotype.
