<span>The total number of genes present in a population is called the gene pool. Hope this helps </span>
Answer:
they all have different charges
protons-positive
neutrons-neutral
electrons-negative
Answer: Organisms interact with the nonliving parts of their ecosystem to get food, energy, and other resources that help them survive. The nonliving parts of the ecosystem are called abiotic factors. Sunlight: Sunlight provides energy that plants and certain bacteria absorb to make their own food.