The dependent variable is on the Y axis and independent variable is on the X axis.
All of these represent something called "competition and predation", in which the species competes for strength, or when one species coordinates attacks against a prey species, or when one species hunts another.
Answer:
commensalism
Explanation:
Commensalism is a symbiotic relationship in which one species benefits from the interaction and the other species is neither harmed nor helped. So the bird is being helped and the bison is being neither harmed nor helped.
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Answer:
4 mass extinctions
Explanation:
as there are huge drops in the graphs
at 440,390,260,50
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