Question

Which two characteristics do all animals have?

They are symmetrical and heterotrophic.
They are heterotrophs and have a backbone.
Their cells have a nucleus and membrane-bound organelles.
They have a backbone, and their cells have membrane-bound organelles.

Answer 1

c

Step-by-step explanation:

not all animals have backbones

Answer 2

C

Step-by-step explanation:

not all animals have backbones (ex. crabs, worms, insects and spiders), and while all animals are heterotrophs, not all animals are symmetrical. so by process of elimination it'd be C.