Answer:
adaptation, extinction, and the creating of new species
Explanation:
Echinoderms, like chordates, are deuterostomes and are therefore thought to be the most closely related of the major phyla to the chordates
I believe the left chamber has a higher concentration of neon gas because it has more neon atoms in it, and the right chamber has a higher concentration of helium gas because it has more helium atoms in it.
I believe they will disappear from the area because they’ll either die from the disease in there food or migrate somewhere else for a different source of food
