I personally think that it's C because all others r present......even D......because plants like climbers do curl around a tree trunk !!!
What Paul and Nancy should do to ensure a fair comparison between all the hives is to d<span>ocument the number of bees as compared to the amount of honey per hive.
This is the only fair comparison, because they will know approximately how much each of the groups produced compared to the number of bees.
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Answer: <u>can be with one another to produce fertile offspring. </u>
Explanation: Individuals of the same species can reproduce to make more individuals of the same species.
A population decrease in primary producers would affect the ecosystem negatively because everyone who ate the primary consumers would have a lack of food.