First thing is Male gametes are called sperm and Female gametes are called eggs. So some physical differences are that the eggs are spherical in shape, much larger then sperm, and are immobile (they stay in the female reproductive organ during fertilization). Sperm are smaller, are in a cone shape, and have tails so the could move to the egg during fertilization.
Answer:
c) matter in an ecosystem flows in one direction and is never reused.
Explanation:
A is true
Its dead plants and animals
Answer: sorry I don't know but if I did I would help
Explanation:
