The human impact that scientists determined has caused the most extinctions on record is ________, and beyond further losses from this impact, the other impact with the largest potential to cause future extinctions is ________.

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#Question id: 11652

#Section 1: Ecology

The sequence of changes initiated by disturbance is called succession, and the ultimate association of species achieved is called

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#Question id: 10248

#Section 1: Ecology

Factors involved in an animal’s foraging "strategy" are

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#Question id: 3491

#Section 4: Behavioural Ecology

Some dogs love attention, and learns that if he barks, he gets attention. Which of the following might you use to describe this behavior?

A) The dog is displaying an instinctive fixed action pattern.

B) The dog is trying to protect its territory.

C) The dog has been classically conditioned.

D) The dog's behavior is a result of operant conditioning

E) The dog is displaying controlled by external stimuli

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#Question id: 8288

#Section 2: Evolution

Some beetles and flies have antler-like structures on their heads, much like male deer. The existence of antlers in beetle, fly, and deer species with strong male-male competition is an example of ________.

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#Question id: 16789

#Section 3: Mathematics and Quantitative Ecology

The median of number 50, 48, 47, 48.5, 50.5, 52, 48.8, 46 will be: