Asimple marine food chain is depicted below. given what you have learned about the biomagnification of some pollutants (e. g., cadmium), in what organism would you expect to find the greatest concentration of cadmium?

a. killer whale
b. marine seal
c. plankton- eating fish
d. phytoplankton

The picture shows a location in india that is very dry and arid. notice the tall mountains in the background; you can find high amounts of vegetation on the other side of the mountains. which statement is most likely true for this area?

In what part of the body does the most muscle activity happen?

Which of the following statements best distinguishes a hypothesis from a theory? a. theories are hypotheses that have been proved. b. hypotheses are guesses; theories are correct answers c. hypotheses usually are relatively narrow in scope; theories have broad explanatory power. d. theories are proved to be true; hypotheses are often contradicted by experimental results.