Which of the following is a benefit of using dams as a source of freshwater? a. dams increase the chances of a flood. b. dams displace existing organisms. c. dams have a risk of failing. d. dams create water-recreation areas.

Which best describes the digestive system of arthropods? a incomplete, two openings b complete, one opening c two-way, one opening d one-way, two openings

Aperson with age is more likely to catch diseases that healthy people usually don’t catch.what are these infections called?

Use the phylogenetic tree to the right to determine which statement below is true. organisms a and f are not related. organism e is more closely related to organism b than organism f. organisms c and d are more closely related than organisms a and b. phylogenetic trees