Question 7

which structure produces and organizes the proteins that form the spindle fibers?

a. centrosome

b. chromatid

c. chromosome

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.

Ahypothesis that has been tested again and again , with similar results each time may become a law , true or false

The cluster of developing cells from conception until birth is called an