What structure pull the chromosomes apart

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.

Penelope studies how the structure and function of the nervous system is related to behavior. she is a psychologist

As a result of these processes the single celled organism accomplishes