Answer:
1) [J] Sand dollar, 2) [G] Ants and grasshoppers, 3) [A], 4) [G]
Explanation:
Please don't be mad if I'm wrong on a few I'm in AP Environmental Science so I'm kind of keen on this stuff but still I'm trying to help!
Answer:
Is made up of the living, or biotic, and non-living, or abiotic, components of its surroundings.
Explanation: