Absorbed light energy is used to convert carbon dioxide (from the air) and water (from the soil) into a sugar called glucose.
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Embryonic stem cells could be used to make more specialized tissues that have been lost to disease and injury. For tissues that are constantly replaced, like blood and skin, stem cells would probably be replaced directly.
Explanation:
A vascular plant is a plant that is characterized by the presence of conducting tissue.
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The wolves helped the ecosystem. I know this because of this sentence: The entire ecosystem became degraded until wolves became protected when they were determined to be an endangered species.
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<span>A few examples of reptiles are alligators, crocodiles, turtles, and snakes. </span>A few examples of amphibians are <span>salamanders, toads, and frogs. One difference between the two is the structure of their outer skin. </span>Reptiles<span> are covered with scales, shields, or plates, and their toes have claws.</span>
