D. Predators
Predators keep populations of other species in check. This was pretty clearly demonstrated in Yellowstone National Park after the wolves were eradicated there. The deer populations increased to the point that the aspen trees nearly disappeared due to the saplings' being eaten by deer. Since the reintroduction of wolves to the park, the aspen trees have begun to flourish once again.
Because they all need one another to survive. flowers need bees to distribute their pollen. and some animals relly on plants for food. and plants relly on the sun to be healthy
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the bird is a barn swallow.
Answer:
the answer is B Rheumatoid arthritis
Explanation:
Answer: most likely the desert
Explanation: that’s where they are usually found
