PLZ HELP ITS FOR A QUIZDescribe the structure and function of the cell membrane.

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.

Melting glaciers is a serious threat to the environment what is the possible consequence of melting glaciers on polar bears?

Match the types of competition to their descriptions