Corals and the algae that live in coral polyps have a special relationship. each contributes something that the other needs to survive. this is an example of mutualism parasitism communication commensalism

Aeukaryotic cell must be from a plant if the cell a) a nucleus b) a nuclear envelope c) cytoplasm d) a cell wall

The frequency of alleles in a population that is in hardy weinberg equilibrium? a . changes in each successive generation b. is less important than the frequency genotypes c. shows evidence of the process of natural selection d. remains the same over several generations

What is the term for a water wave that is created by an underwater earthquake?