Which of the following statements is true of cholesterol in the bloodstream? a. too much ldl can cause atherosclerosis and heart disease. b. all cholesterol is bad for arterial health. c. hdl is known as "bad cholesterol." d. statins raise the amount of ldl in the bloodstream and combat atherosclerosis

Nteractions between organisms and their environment impact the organism’s overall population. oahu amakihi and kauai amakihi are two closely related species of hawaiian honeycreepers. they have a common ancestor, eat small insects and nectar, and like to nest in koa trees. however, one species is found on the island of oahu, and the other is found on the island of kauai. which concept shows the relationship between oahu amakihi and kauai amakihi?

The body is protected against harmful flu viruses by

In which situations is the principle of cross-cutting relationship useful in determining relative age?