Some simpler animals lack what type of embryonic tissue? Some simpler animals lack what type of embryonic tissue?

asked Sep 16, 2022 84.3k views

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Some simpler animals lack what type of embryonic tissue?

Some simpler animals lack what type of embryonic tissue?

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true

Simpler animals, such as sea sponges, have one germ layer and lack true tissue organization.

Biagidp answered Sep 22, 2022