Factories are throwing harmful substances in the air that can harm humans and animals and they could die.
Answer:
B. Their gametes must swim in order to interact and for fertilization to occur
Explanation:
Answer:
Because different cells are under different pressure. The most frequently replaced cell would be skin cells while on the opposite scale we have neurons. Skin is under constant pressure so we have to replace it as quickly as possible where as neurons must be replicated only once so we can maintain a stable brain.
Explanation:
Pairs of Chromosomes are called Sex cell pairs. Sex cells, like sperm and egg, have only a set of Chromosomes called "Daughter Cells". Sorry I didn't do all of your questions, I could only find some of the answers.
Families I think
Because usually when a organism is a a similar type of species the scientific names have some type of similar root. So that crosses out everything else so that’s the only option available
