Answer:
commensalism
Explanation:
One organism is benefited while the other is not harmed or benefited.
Answer:
phytochemicals
Explanation:
They generally help resist fungi, bacteria, and virus infections
Inveterbrate would be a grasshopper
If there was once a fish there then that would mean the habitat of a fish was once there but dried up. a lake or river or even an ocean could have once been there but dried up and left a fish fossil