8) Instead of backbones, crabs and some insects have
A)
frontbones
B)
vascular bundles
C)
chloroplasts
D)
exoskeletons

Exoskeletons

Explanation:

It provides support and structure just like a backbone

D exoskeletons I think because their skeletons are on the outside

i would go with b

cytokinesis occurs after telophase so that eliminates d

and the entire reason for cytokinesis is for cellular reproduction

the correct answer, according to e2020, is the second choice there is an occluded front in region a and a cold front in region b.