37) Which definition best describes a community? A) the interaction between various groups of organisms in a given environment
B) the interaction between the organisms and their environment
C) the region of Earth that contains living organisms
D) the members of a species in a given area

What evidence did mendel find that supported his law of independent assortment? a. dominant traits are expressed when there is a dominant allele. b. traits do not affect the inheritance of other traits. c. some traits have three or four different alleles. d. plants and animals can both reproduce sexually.

The pharynx is the structure in the body that serves as a pathway of both air and food. how does the body make sure that food does not get into the lungs? the salivary glands secrete enzymes that pull food out of the air pathway. the small intestine pushes the air out of the digestive system. the pancreas breaks down food in the air pathway. the epiglottis closes the air pathway so that food will not enter it.

Which of the following is the source of energy for photosynthesis? a.) glucose b.) chlorophyll c.) carbon dioxide d.) sunlight