What type of organisms does photosynthesis and cellular respiaration occur in

Providing immunity by injecting the body with a weakened form a pathogen is known as

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.

What element is able to combine with itself and hydrogen to form large molecules ?