Answer:
producers
Explanation:
producers are plant which are at the base of an ecosystem.
Answer:
Each egg and orgasm contains a different combination of genes. This is because when egg and orgasm cells form, the chromosomes join together and randomly exchange genes between each other before the cell divides.
The answer is A, A gene flow brings new in new alleles increasing variation within the population of spring
Answer:
heart , liver , stomach and kidneys