#Question id: 12253
#Unit 10. Ecological Principles
#Question id: 6946
#Unit 5. Developmental Biology
The adult body plan of the fly is based on reiterating structures called segments; segment precursors (parasegments) are first positioned at the cell-by-cell level by which group of genes?
#Question id: 22964
#Unit 7. System Physiology – Animal
#Question id: 12103
#Unit 10. Ecological Principles
#Question id: 3491
#Unit 11. Evolution and Behavior
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