A pig trained by the Brelands to pick up large wooden coins and deposit them in a wooden piggy bank learned quickly to do so for food rewards, but eventually ____.
a. reverted to washing the coins instead, in accordance with its natural approach to food
b. became too bored with the repetition of the task to continue
c. chose to wallow in the mud instead, in order to cool off
d. reverted to rooting for the coins instead, in accordance with its natural approach to food
Question 2
Keller and Marion Breland, two of B. F. Skinners former students who used operant conditioning to train animals for entertainment, encountered ____.
a. extensive cognitive mapping
b. repeated latent inhibition
c. biological boundaries
d. observer interference
Mutualisms, such as those that occur among plants and pollinators, generally involve large numbers o
Large-scale impacts of the (a) positive, and (b) negative phases of the North Atlantic Oscillation.
Formation of an oil deposit
Nephroblastoma. A sectioned kidney reveals the presence of a very large tumor, which arose from feta
The Sun giving out a large geomagnetic storm
Small Avocado vs Large Avocado