Drag the terms on the left to complete the sentences on the right. more concentrated passive transport less concentrated active transport when molecules move down their concentration gradient, they move from where they are to where they are . diffusion across a biological membrane is called .

science-ocean floors and habitats study guide by volleyballqueen3817 a major advance in ocean-floor mapping. list four sections of the ocean floor. algae that use sunlight to produce their own food through photosynthesis. all of the feeding relationships that exist in a habitat. drying out, predators, find food.

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human impact on the environment can be seen in the deterioration of the !

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