The puppy walks at 2
m/s towards his
mother.
Speed , velocity , or acceleration ?

Velocity

Explanation:

Because it is going towards the mother and it says how much is going.

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