(04.02 HC)New findings suggest that, due to rising levels of carbon dioxide in the air and an increase in the acidity of the oceans, most coral reefs that exist today will disintegrate by the end of the century. If carbon dioxide levels continue to rise, what is the most likely effect on marine organisms that rely on these reefs for food and shelter?

(06.04 MC)Which of the following best explains ways in which fish and mammals differ?

(05.02A MC)Which of the following best explains the concept of radioactive dating?

(05.04 LC)How are viruses different from bacteria?

(06.03 LC)When water and nutrients from the soil travel up from the roots of a plant through the stem to the leaves, they do so in which of the following structures?

(05.03 MC)A team of scientists is researching the relationship between the two subspecies of A. africanus and concludes that the subspecies were actually different species. Which of the following would increase the reliability of this conclusion?

Richard III was advertised as a tragedy during Shakespeare’s time.

(06.08 MC)Which of the following is most likely to happen if a person drinks untreated water from a roadside ditch?

(05.04 MC)Based on the concept of phylogeny, an organism that was ancestral to both the Bacteria and Eukaryota domains would exhibit which of the following characteristics?

(06.05 MC)Which of the following is the lobe of the brain that deals with visual interpretation?