Answer:
B
Explanation:
Sperm is produced in the testicles, eggs are produced in the ovaries.
Answer:
Quincy is correct, because both spicules and stinging cells can be used to protect against predators.
Explanation:
its right on the quiz
D is correct. The cylinder's marking are closer together and are more precise.
Answer:
cell membrane
Explanation:
Cell membranes are composed primarily of fatty-acid-based lipids and proteins. Membrane lipids are principally of two types, phospholipids and sterols (generally cholesterol).
I'm thinking the brain. The brain produces hormones and chemicals that tell the body to grow. And you also need to think a lot when trying to survive, which is when the brain comes in handy.
