Arainforest is an example of a

-biome
-community
-habitat
-population

Which best describes the nucleus of an atom a. it is where all of the particle s of the atom are located b. it is the negatively charged part of the atom c. it is where the electrons and the protons are located d. it is the part of the atom with the greatest mass

Substances that can pass through cell membranes by diffusion include a. na ions. b. proteins c. glucose. d. oxygen.

Many humans consume both plants and animals. these humans are considered to be which of the following? herbivores carnivores omnivores