Biology, asked by srijanthapliyal102, 1 month ago

3. What are the special organs of excretion in annelids? 4. What is an exoskeleton? How is it different from the backbone? 5. Which class of animals can live both on land and in water?​

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Answered by XxEpicBoyxX
3

Answer:

Ans3) The excretory system of Annelida consists of coiled tubules, the metanephridia/Nephridia. It takes in body fluid from the coelom and an exit pore in the body wall called nephridiopore, releases waste from the worm.

Ans4) backbone is the series of vertebrae, separated by disks, that encloses and protects the spinal cord, and runs down the middle of the back in vertebrate animals while exoskeleton is a hard outer structure that provides both structure and protection to creatures such as insects and crustacea.

Ans5) Amphibians

The animals which can live both in water and on land are called Amphibians.

Answered by gouripaul25
0

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