Mutations have an important role in how species change over time.
hard parts are most likely to be preserved
Answer:
Water
Explanation:
Idk i just know the answer is water.
Answer:
6==. During spermatogenesis, four sperm result from each primary spermatocyte, which divides into two haploid secondary spermatocytes; these cells will go through a second meiotic division to produce four spermatids
