In 2002, Colorado was suffering from extreme drought. Which technology will help Colorado reduce the effects of future droughts? A.
building sea walls
B.
building levees
C.
building dams
D.
building storm shelters

Why do mutations in genes affect traits? o a. genes determine what type of mutagens an organism has. o b. genes produce proteins that cause traits. o c. genes affect how many chromosomes an organism has o d. genes code for carbohydrates that influence traits.

Match the types of competition to their descriptions

Legumes, a type of plant, require rhizobia, a type of soil bacteria, to survive since these organisms fix nitrogen during photosynthesis. rhizobia use the legumes for food. what would most likely happen to the legume population if rhizobia suddenly became extinct?