explain transportation in cnidarians
Answers
Answered by
1
Answer:
keep smiling...
Explanation:
Cnidaria do not have a circulatory system simply because it is not needed; all cells are in contact with the water, which contains oxygen and nutrients. ... The cells undertake a process of diffusion to transport the oxygen, nutrients and waste in and out of the organism.
Answered by
4
Cnidaria do not have a circulatory system simply because it is not needed; all cells are in contact with the water, which contains oxygen and nutrients. The cells undertake a process of diffusion to transport the oxygen, nutrients and waste in and out of the organism.
Similar questions