An elements has two or more atoms with the same number of protons but different number of neutrons it is called a(n)
isotope
neutron
electron
none of the above

Theories basic to all of the life sciences include the germ theory of disease. theory of evolution by natural selection. o two of these answers are correct none of these answers are correct o cell theory.

What would happen if the krill were removed from the food web

Why did adult crab numbers decline in he ecosystem, even though sea stars were still available?