Answer:
They typically have a tough, spiny surface, which inspired their name (in Greek, echinos means “spiny” and derma means “skin”). They also have the unusual ability to regrow lost body parts, and sea stars and brittle stars can regrow arms if broken off or eaten
Explanation:
The neurons conduct impulses over relatively long distance in the body. This is facilitated by their long cytoplasmic extensions
Answer:
plants
Explanation:
all green life gives us oxygen, and in turn we give c02 or carbon dioxide
I think the answer is yes and No. . Yes, Fish are considered a sustainable resource. A sustainable resource is a resource an environmental resource that doesn't harm the environment. Fish are helping the environment. However fish have waste and the waste is dangerous to the environment.
Answer:
first the ways of adaptation and behaviour of plant