Which of the following is not a function of proteins? a. store and transmit genetic information b. fight disease c. control the rate of reactions d. move substances into or out of cells

Which of the following is a difference between a food chain and a food web? selected: a. food webs contain both plants and animals. food chains only contain animals.this answer is incorrect. b. food webs show energy transfer. food chains show which animal eats which animal. c. food webs separate organisms by tropic level. food chains do not. d. food webs are a complex patterns of energy flow. food chains only show one line of energy flow.

Which two criteria must be met before scientist can use radiocarbon dating? explain your answer

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