Which of these is not a principle of natural selection? A. Over time, the offspring of individuals with helpful variations make up more of a population and eventually become a separate species

B. Variations are passed to offspring

C. Differences, or variations, occur among individuals of a species

D. Adaptations happen in a start stop fashion

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.

Which list is in order from simplest to most complex? a bacteria - virus - plant - protist b protist - bacteria - virus - plant c virus - bacteria - plant - protist d virus - bacteria - protist - plant

How can you tell the difference between rough er from smooth er?