Atreeless area between the icecap and the tree line of artic regions having a permanently frozen subsoil and supporting low-growing vegetation is reffered to as a

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.

Dna replication occurs in preparation for

If a keystone species is removed from an ecosystem