Joan uses a model to show how wood burns at the level of atoms and molecules. Her model tracks 840 carbon atoms that make up a small fraction of a wood sample. The table shows how the carbon atoms are converted into carbon dioxide as the wood burns over time. Which of the claims about the burning of wood is supported by Joan’s model? Select all the claims that are supported.

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 allele for curly hair is incompletely dominant. if a mother is homozygous for curly hair and the father is homozygous for straight hair, what percentage of the offspring will exhibit characteristics of both parents? 25 percent 50 percent 75 percent 100 percent

Which direction does the energy flow in this energy pyramid ?