If a sperm cell contains 8 chromosomes, it comes from an animal that has chromosomes. A. 4
B. 8
C. 12
D. 16
E. 24

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.

The instructions for making proteins come originally from

What substance is the most acidic. lemon juice. tomato juice. sodium hydroxide. water