2
lesson pretestMultiple Choice

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Question 2 • TPS EdX Biology

Which two characteristics describe all animals?

Answer
A
heterotrophic and multicellular
B
multicellular and symmetrical
C
heterotrophic and unicellular
D
multicellular and asymmetrical

Explanation

All animals are multicellular, meaning they are made of many cells, and heterotrophic, meaning they obtain food from other organisms rather than making their own. Not all animals have symmetry, so symmetry is not a characteristic shared by every animal. The correct choice is heterotrophic and multicellular.

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