Answer:
In my opinion, it would be A, B, D, and G. Latitude because of the location of where you are, elevation to determine how cold it is. Air currents so you know if its windy or not. Lastly, proximity to water, due to the fact that you can get rain because you're closed to the water.
Explanation:
The answer is a simple radial nervous system.
Echinoderms do not have brains. Around their mouth, they have central rings from which nerves radially run into arms and along the body. Movement is controlled by the branches of those radial nerves.
Reaction which breaks down complex molecules into simpler ones n release energy
Right upper is the location for the duodenum
