a substance that moves across a cell membrane without using the cells energy tends to move? a.) away from the area of equilibriumb.) away from the area where it is less concentrated.c.) away from the area where it is more concentratedd.) toward the area where it is more concentrated
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Which of the following is true about the introduction of a non-native species to an environment? (a) they usually adapt quickly so they can have a positive affect on the environment. (b) they can disrupt the environment and cause much damage and devastation to native species. (c) they usually become predators in a food chain and to keep prey populations under control. (d) because the native species are better-adapted to the environment, the non-native species always end up dying out.
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a substance that moves across a cell membrane without using the cells energy tends to move? a.) away...
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