Two multiple choices and one question. 1.All other factors being equal, which of

Question

Two multiple choices and one question.

1.All other factors being equal, which of the following is least likely to involve coevolution? a. An obligate positive interaction in which the two parties are not closely related

b. An obligate positive interaction in which one party lives inside the other
c. An obligate positive interaction in which the two parties are closely related

d. A facultative interaction in which the two parties are not closely related
e. All of the above have roughly equivalent likelihoods of involving coevolution.

2. A woodlouse eats primarily detritus. A Steller’s Jay that then eats the woodlouse is operating on a trophic level ________ that of a rabbit that eats grass.
a. two levels above
b. that is the same level as

c. a level above

d. a level below
e. two levels below

Question: Explain why in the example from Lago Guri (Venezuela), the community was first top-down regulated and became bottom-up controlled.

Explanation / Answer

1. Option d is the correct answer.

Facultative interaction in which the two parties are not closely related.

This has the least chances to progress into coevolution.

So choose option d

Thank you.

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