Answer: solar energy is required from the sun so as the cycle of photosynthesis can be completed
Explanation:
sun is required for photosynthesis
Answer:
55 graphics should be euown
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
