During a high-energy athletic event, such as a sprint, most of the energy that is provided to the muscles comes from?

glycolysis.
the electron transport chain.
the krebs cycle.
fermentation

Match the type of adaptation to the correct example, structural adaptation functional adaptation behavioral adaptation example type of adaptation elephants live in herds to protect their young leaves of a rain forest plant species have a pointed tip that enables rainwater to drain off easily. camels have nostrils that they can close snakes produce venom to kill prey and defend themselves. earthworms coil when touched, as part of a defense mechanism. human skin darkens with increased exposure to sunlight.

Photosynthesis converts light energy to chemical energy. which molecules are the end product of this transformation of energy in this reaction?

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