When an unbalanced force acts on an object, a. the object’s motion does not change. b. the object accelerates. c. the weight of the object decreases. d. the inertia of the object increases.

mammal

explanation:

"do a testcross with a homozygous recessive plant."

the cladogram shown here shows similarities and differences among several classes of vertebrates. anatomically, the four have limb structure as their common ancestor. we might separate the mammals from the other three classes because they a) divergent; do not lay eggs b) identical; are warm-blooded c) varied; a four chambered heart d) homologous; have mammary glands

a- multicellular

b-eukaryotic

c-no cell wall

d-heterotrophic

e-autotrophic