3. If 1 billion calories of food are available to primary consumers in the ecosystem, approximately how many calories are available to the tertiary consumers?

g1

choices:

a. g2. b. g1. c. m

cell division has two checkpoints namely, g1

checkpoint and spindle assembly checkpoint. the checkpoint which determines if

division has properly occurred is the g1 checkpoint. at this point, is a damage

in the dna is detected or  the has not reach the optimum size, the cell is

stopped in g1 and is not allowed to proceed to further process.

source:

segmentation=endoskeleton=backbone=coelom=tissues

because of

i think this picture will you.