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Author Question: Harry and Martha Frank found that on barrier problems dogs did not perform as well as _________. ... (Read 44 times)

swpotter12

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on: Jun 21, 2018
Harry and Martha Frank found that on barrier problems dogs did not perform as well as _________.
 
  a. wolves
  b. coyotes
  c. foxes
  d. otters

Question 2

Frances puts a hungry rat into an experimental chamber. Whenever the rat presses a lever, food falls into a tray. In about 30 minutes, the rat is pressing the lever steadily. Frances returns the rat to the training cage for one hour a day every day until the rat produces young. Frances then trains one of this rat's offspring in the same manner as its mother and repeats this procedure for several generations. You predict that when the twelfth generation rat is put into the training cage, it will press the lever steadily in about_________.
 
  a. 7 minutes
  b.10 minutes
  c. 20 minutes
  d. 30 minutes


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Expo

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Reply #1 on: Jun 21, 2018
Answer to Question 1

A

Answer to Question 2

D


swpotter12

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Reply 2 on: Jun 21, 2018
YES! Correct, THANKS for helping me on my review

pratush dev

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Reply 3 on: Yesterday
Gracias!

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