The number of organisms in each trophic level are represented in a
a) number graph
b) number pyramid
c) population pyramid
d) population graph

What best describes the dropping height of a ball that bounces back up to a height of 45 cm

Which heredity condition causes a buildup of mucus in lungs and pancreas? a. cystic fibrosis b. heart disease c. huntington's disease d. sickle cell anemia

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