What is the difference between granite and rhyolite

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.

How can antibodies "remember" a particular bacterial invader or "antigen" on that invader?

Which macromolecule catalyzes chemical reactions this be considered enzyme chemical reactions thus he considering enzymes