What r punnet squares?

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Which of these substances does not protect against invaders in the nonspecific immune response? a. saliva b. mucus c. tears d. urine

In the ocean why are the greatest amount of primary producers found in the epipelagic zone and how does that affect biodiversity

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