<span>The total number of genes present in a population is called the gene pool. Hope this helps </span>
A
it says the swallows had Continued reduced reproductive success over time.
By the ligand receptors on the surface of the cell membrane. How do transport proteins make it easier for certain molecules to diffuse across a membrane.
the binding of a signaling molecule, or ligand, to its receiving molecule, or receptor.
Answer: Small countries, such as Bangladesh, are practicing subsistence fishing, taking only the fish needed to survive.
Explanation:
Answer:
10%
Explanation:
Only around 10% of trophic energy is passed down to the lower level. This is because only about 10% of the energy is stored as biomass in one trophic level in general. This is called the 10% law.