Female hammerhead sharks sometimes produce offspring by a type of asexual reproduction these offspring ?

The function of the excretory system is to control homeostasis and

Why has two different alleles for the same trait?

Which of the following matches the organisms described with the correct domain? a. archaea--multicellular, eukaryotic organisms that do not have cell walls b. eukarya--single-celled and multicellular organisms, with a defined nucleus and a variety of nutritional sources c. bacteria--unicellular, eukaryotic organisms with cell walls that do not contain peptidoglycan d. bacteria--unicellular, eukaryotic organisms that always lack cell walls