Science, asked by deadpool2ironman, 20 days ago

why do animals like sponges and hydra not posses a circulatory fluid like blood ???

Answers

Answered by rakeshks040076

2

Answer:

Animals such as sponges and Hydra do not posses any circulatory system. The water in which they live brings food and oxygen as it enters their bodies. The water carries away waste materials and carbon dioxide as it moves out. Thus, these animals do not need a circulatory fluid like the blood.

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