Answer: D. Ecosystem
Explanation: The ducks are interacting with trees and algae with are all part of an ecosystem.
Answer:
the grass grew taller and the hawk population declined
Explanation:
have a good day
Answer:
Pugs appear to be ugly due to them being bred deformed by design, harboring a condition called brachycephaly.
Explanation:
Well those that are in that ecostems could died from no water or the could walk on it and it breaks
