What type of behavior is a caterpillar building a cocoon? a. instinct b. imprinting c. conditioning d. insight learning

Acommon kind of mechanical weathering is called

The many stone tools, fragmentary animal bones, and teeth found at gran dolina, spain, indicate that hominids there? a. processed and consumed animals and other hominids. b. did not differ appreciably from earlier asian homo erectus. c. were similar to later homo sapiens. d. none of the above

Which of th following best describes how genes produce traits in an organism?