Where is sperm and egg made? What their journey to fertilization? What happens if the egg is not fertilazed?

Out of the seven main animal groups (fish, mammals, birds, insects, reptiles, amphibians, and arachnids), how many contain members with internal backbones? a. 5 b. 3 c. 7 d. 1

Explain the significance of the increased cell specialization of the volvocine line

What best describes the dropping height of a ball that bounces back up to a height of 45 cm