Answer: Explanation:
It is a two-step process that reduces the chromosome number by half—from 46 to 23—to form sperm and egg cells. When the sperm and egg cells unite at conception, each contributes 23 chromosomes so the resulting embryo will have the usual 46.
Hope that helped you
Answer:
Theoretically, competition can initiate divergence in habitat use between individuals of a species, leading to restricted gene flow and eventual speciation. Evidence that sister species differ in habitat use is commonplace and consistent with this mechanism, but empirical experimental support is surprisingly scarce.
A tornado is formed by two rocks hitting together under the ground which makes the ground shake.
D. Chloroplast is only found in plant cells not in animal cells
Answer: i belive its A but i may be wrong sorry if i am
Explanation: