Chris has been competing all day in a track competition and is now ready for the 100-meter dash. although he feels tired, which of the high-energy muscle compounds can he rely on for quick energy in this event?

Which of the following is an example of this type of co-evolution

The breakdown of food is accomplished by enzymes. a. physical b. chemical c. mechanical d. none of the above

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