Explain the circulatory system in sponges and hydra
Answers
Answered by
2
Answer:
There is no well developed circulatory system in Phylum Poriferra which includes the sponges and hydra. Circulation of food nutrients occurs by simple diffusion.
Explanation:
In these type of organisms, two types of pores are there for inlet and outlet of water containing food, namely Ostia and Osculum respectively.
Answered by
3
Answer:
Animals such as sponges and Hydra do not possess 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.
Explanation:
please thanks my answer
Similar questions