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Four of the five stimuli listed below are sign stimuli. Select the exception.

tifoanug

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Four of the five stimuli listed below are sign stimuli. Select the exception.

Four of the five stimuli listed below are sign stimuli. Select the exception.

a. a smiling human face
b. the red spot on the beak of a herring gull
c. the open mouth of a peeping baby bird
d. a red-colored stimulus that triggers a territorial red-bellied stickleback fish to attack it
e. a mother rat picking up young rats and returning them to the nest

Question 2

Young male white-crowned sparrows ____ appropriate song, which is related to _______.

a. are born with; estrogen
b. are born with; testosterone
c. learn; neuron clusters in the testes
d. learn; neuron clusters in the brain
e. learn; estrogen

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bri

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tifoanug Author

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Thank you so much for the answer

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