By allowing nutrients to enter the cell and extracting energy from food, cells are able to maintain?
a. proper size
b. homeostasis
c. proper strength
d. strong organelles

Rotenone is an insecticide that is toxic

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 the following is the sl unit used to measure temperature a. kilogram b. liter c. meter d. kelvin