Sperm are produced in the glands sperm duct. testes. urinary bladder.

Which of the following is not a possible effectof increasimg carbon dioxide levels in the atmosphere ?

When ash and dust begin to settle on the ground, they eventually become compacted by

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