Answer:
exoskeleton
Explanation:
An exoskeleton is the hard outer covering that supports and protects some animals without backbones.
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Answer:
Has a Dorsal hallow nerve cord, a notochord pharyngeal pouches, and a tail that extends beyond the anus.
Explanation:
Answer:
Digestive system and Circulatory system
Explanation:
The Digestive system has the stomach, small and large intestine- these are all responsible for breaking down food into smaller pieces and on the other hand the circulatory system helps to distribute the broken food around the body for necessary absorption by the body cell.
Answer: Adaptations to environment are the means used by an organism to obtain food and energy in its particular habitat. Living things adapt themselves not only to their physical environment but also to their living environment, that is, they must adapt themselves to other plants and animals living around them.
Explanation:
