That is the vacuole. They usually fill up with food, water, or other various wastes.
A group of individuals of the same species that interact will find a mate and cross breed and produce a stronger species to survive they're environment. per Darwin's law..
About 38% of animal protein comes from fish
Answer:
The spreading center is colder and has less sediment than the plains
Answer:
Four hydrogen nuclei join to form a helium nucleus, two neutrinos, and energy.
Hope this help
