Below is a graph that shows the eating habits of a goldfish in an aquarium over a 2-day period.

Which of the following conclusions is supported by the information on the above graph?
A.
Fish have a 6-hour circadian rhythm.
B.
Fish have a 12-hour circadian rhythm.
C.
Fish have a 24-hour circadian rhythm.
D.
Fish do not have internal responses to any natural cycles.

The graph shows the amount of global warming happening in different ecosystems. which populations of organisms will likely decline the most as a result of climate change, and why? a. coral reefs because of the loss of the symbiotic algae living within their bodies b. penguin populations because the fish they eat will move into warmer waters c. mountain-dwelling birds because rising sea levels will relocate their food sources d. large cats in the rainforest because of decreased habitat loss for their prey