Answer:
In vertebrates, the circulatory system is responsible for transporting oxygen to all the tissues and removing carbon dioxide from them. ... In the grasshopper, exchange of oxygen and carbon dioxide occurs in the tracheal system. Hemolymph plays no part in the process.
Explanation:
Answer:
the answer is b
Explanation:
Because I'm learning science and I looked at the answer for a while
Energy used since long time ago is a energy production system where the energy is joined with the new resources and alll of that turns into electric energy!<span />
Similarities:
They contain nematocyst (cells that sting)
some are sessil/free swimming
Some corals have a symbiotic relationship with algae, they need to grow in shallow waters so that light can penetrate for the algae to photosynthesize.
