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3 votes
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.

2 Answers

2 votes

Answer:

c

Step-by-step explanation:

not all animals have backbones

User Mcsky
by
7.4k points
4 votes

Answer:

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.

User Guillem Puche
by
8.0k points
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