Researchers do an experiment to test the hypothesis that Douglas fir trees put more resources into reproduction when they are infected with a fungus that causes a fatal disease. They establish study plots in a group of 50-year-old Douglas fir where the disease is not present. At random, they infect half the trees with the disease-causing fungus. Then they measure how many cones and seeds are produced by infected versus uninfected trees

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.

All individuals have two alleles for a given trait. according to mendel's these alleles are passed down one each from both mother and father.

Asap brainliest will be which sentence about protists is accurate? all protists are unicellular and microscopic in nature. they have organelles, so protists are eukaryotic in nature. all protists make their own energy through photosynthesis.