When a warm object is placed against a "cold spot" on our skin, we feel cold. This is known as _______

Which of the following statements is true regarding the effects of environmental change on the evolutions of different species of animals?

a. Only "highly evolved" animals are able to adapt to changing environments so that they can avoid extinction. b. The more advanced a species is, the better it is able to change the heritability of traits in order to survive environmental catastrophes. c. Most species of animals are able to evolve in direct response to environmental changes so that they can survive. d. Species do not change in order to prepare for environmental changes or in order to become more "highly evolved."

While several different parts of the brain, including the hippocampus and the cerebral cortices, may be involved in helping us to remember, psychologist Donald Hebb proposed that memories were stored in networks of neurons called __________

a. cell assemblies b. terminal bundles c. synaptic vesicles d. myelonic clusters