Which of the following describes how the Domain Archaea is different from the Domain Bacteria?
A.) Its organisms have cells with a nucleus
B). Its organisms are multicellular
C). Its organisms have cells with a different cell wall
D). Its organisms have eukaryotic cells

Some birds look for food near cattle and other livestock. the movement of the cattle churns up the ground, making insects available to the birds. the cattle appear to be unaffected by the presence of the birds. what kind of relationship exists between the birds and the cattle? o a. parasitism o b. commensalism o c. predation o d. mutualism

Which of the following was not a major animal on land during the carboniferous period? amphibians insects both a and b none of the above

Substances that can pass through cell membranes by diffusion include a. na ions. b. proteins c. glucose. d. oxygen.