All of the biological macromolecules found in organisms contain hydrogen oxygen and carbon. However there are distinguishing features of each. Which of the following could be used to differentiate between a carbohydrate and a nucleic acid

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 was the land like over 500 million years ago? what was under the sea?

Which animal is a producer in this ecosystem