You are creating a pedigree to trace freckles, a recessive trait, in a friend's family. You find out which of her family members have freckles and which do not. When you complete the pedigree, what can you learn about members of your friend's family that you could not tell just by looking at them?

In which of the following relationships is one organism always benefited while the other organism is always harmed

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Which statement is the best summary of the model? a-a series of aerobic and anaerobic reactions take place in cells b- the sun's energy moves through trophic levels in a food chain c-light energy is converted into stored chemical energy plants.d- food molecules are broken down in the cells if living things.