Answer:
It means that they keep each others' population regulated.
Explanation:
Without one or the other, ones' population would sky rocket and there would be too many in an unhealthy manner, or the other wouldn't be able to survive and their numbers would drop low.
Answer:
50% tall plants and 50% short plants
Explanation:
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Answer:
Answer is
A lake is part of the hydrosphere.
Water vapor in the air is part of the atmosphere.
Glacier and icebergs are part of the cryosphere.
The Rocky Mountains are part of the geosphere.
A deer is part of the biosphere.