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Elis [28]
3 years ago
8

Which animal adaptation happened before the others?

Biology
2 answers:
lara [203]3 years ago
7 0

Answer:

C. Bilateral symmetry

Explanation:

Just before the Cambrian explosion, approximately 600million years ago, multicellular aquatic animals are thought to have developed new body plans. As a result they split into two groups of organisms which were notably radially symmetrical and bilaterally symmetrical. These early bilaterally symmetrical animals were simple organisms without a body cavity called a coelom; further evolution, led to the development of complex coelomates. Eventually, land-dwellers capable of respiring out of water with the aid of lungs emerged, and subsequently, their adaptations allowed for reproduction in their new habitats.

BigorU [14]3 years ago
7 0

Answer:

c

Explanation:

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