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________ was one of the first animal traits to evolve.
cephalization.

Sagot :

Ittssmeederickidn

Answer:

multicellularity

Explanation:

The first animal trait to evolve was multicellularity. This was highly adaptive. Multiple cells could do different jobs. They could evolve special adaptations that allowed them to do their job really well. However, the first invertebrates still lacked tissues. Sponges represent the first organism at the multicellular stage of invertebrate evolution.