Consider the kelp forest ecosystem to answer these questions. What determines how many species live in a given place?
And, what determines how large each population can grow?

they float because they are less dense than the water itself

something denser than water, like a rock, will sink to the bottom

answer: oof wait

explanation:

genetic variation can be caused by mutation (which can create entirely new alleles in a population), random mating, random fertilization, and recombination between homologous chromosomes during meiosis (which reshuffles alleles within an organism's offspring).

idk what the options are but

these is a strong electrostatic attraction between the ions hence a lot of energy is needed to overcome this attraction

this is why the boiling points are so high