2. Why are humans considered animals? A. Their zygotes undergo changes to turn into a blastula.

B. Human cells have cell walls and are unable to move.

C. Humans can reproduce asexually when under stress,

D. Animals and humans are both uni-cellular organisms.

b

Explanation:

the other options are not correct

a

explanation:

many plants naturally reproduce this way, but it can also be induced artificially. horticulturalists have developed asexual propagation techniques that use vegetative plant parts to replicate plants. success rates and difficulty of propagation vary greatly. monocotyledons typically lack a vascular cambium and therefore are harder to propagate.