Science, asked by TheGreat8359, 9 months ago

Which of these is not circulatory system

Answers

Answered by nshsvbdgc

Answer:

The simplest animals, such as the sponges (Porifera) and rotifers (Rotifera), do not need a circulatory system because diffusion allows adequate exchange of water, nutrients, and waste, as well as dissolved gases

Explanation:

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