Which characteristics describe cnidarians? check all that apply. Cnidarians are invertrvrates

What is a universal way that predation benefits the predator? predation increases mate availability. predation in defense of space. the predator gets the energy it needs to survive. the predator keeps parasites from hurting the species.

What is the most abundant vertebrate on earth?

If a human has 23 pairs of chromosomes in every muscle cell of its body how many chromosomes will be in a human egg or sperm