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LAST QUESTION!!!!!!!!! AT LEAST LOOK

How are animals divided into groups based on the morphological trait of the number of tissue layers during development?

A) three groups: those that have four, three, or two tissue layers in their embryos
B) two groups: those that have three tissue layers in their embryos and those that have two
C) two groups: those that have two tissue layers in their embryos and those that have one

Respuesta :

21stinsonc

Answer:

A)

Explanation:

Because animals can be largely divided into three groups based on the type of symmetry of their body plan: radially symmetrical, bilaterally symmetrical, and asymmetrical.

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