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: 12567

#Unit 10. Ecological Principles

Which of the following is true about the current research about forest fragmentation?

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#Question id: 5957

#General Aptitude

June 12, 1980, was a Thursday. Then may 12 of the same year was a

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#Question id: 12612

#Unit 10. Ecological Principles

Which of the following pairs of reproductive strategies is consistent with energetic trade-off and reproductive success? 

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#Question id: 29090

#Unit 10. Ecological Principles

The figure above shows the distribution of 10 plant species that grow along a regular environmental gradient, such as depth of the water table in a river valley. All other environmental factors are similar. This figure demonstrates that

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#Question id: 2035

#Unit 4. Cell Communication and Cell Signaling

The single best defining description of the classical pathway of complement activation is: