As a marine biologist, you are trying to teach a dolphin to jump over a bar. At first, you reward the dolphin every time it swims near the bar. Then, you only reward her when she emerges from the water near the bar. Eventually, you reward the dolphin each time she jumps out of the water. Then, you only reward the dolphin when she jumps over the bar. This technique is an example of
A. classical conditioning.
B. spontaneous recovery.
C. discrimination.
D. shaping.
E. positive punishment.

A

Explanation:

Classical conditioning is when you reward someone or something every time they do something right and slowly increase the amount that they have to do before they can get a treat. All the way up until the do the thing you want them to do without needing to be babied all the way through it

dna is made up of six smaller molecules -- a five carbon sugar called deoxyribose, a phosphate molecule and four different nitrogenous bases (adenine, thymine, cytosine and guanine).

well for one plants are always the producer, so a is the answer. a wolf is more of the consumer(predator) and the deer is the prey so i know those two are out of the question. also mushrooms are fungi/fungus so a is the producer.