After classical conditioning has occurred, if the conditioned stimulus (tone) is repeatedly presented alone, without the unconditioned stimulus (food), the conditioned response (salivation) will Group of answer choices

generalize.

discriminate.

strengthen.

weaken.

How are the tortoises that darwin observed on the galápagos islands similar to the anoles that losos studied

The nervous system interacts with the endocrine system by a. using hormones as connections b. sending nerve impulses directly to glands c. using neuroendocrine cells as connections d. sending neurotransmitters directly to neurons

Which is a genetic engineering advancement directly related to a career in biotechnology? 1) improving solar energy collection 2) transporting textiles at higher rates 3)creating crop foods that resist insect pests 4)repairing historical sites with quality materials