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| Read each sentence and identify the word/phrase that you believe correctly completes the statement. Then, click on the arrow to see if your answer is correct. 1. There are four major groups of organic molecules: , , , and . 2. The energy in is used by photosynthetic organisms to make . and water are used as raw materials, and is released. 3. is broken down by , and the energy that is released is stored in molecules of . 4. When primary production in the ocean is nutrient limited, the nutrient that is most often limiting is . 5. The major difference between prokaryotes and eukaryotes is the presence of -bound . 6. The movement of dissolved substances from areas of high concentration to areas of low concentration is called . is the diffusion of water through a . 7. is the control of the internal concentration of a solute. 8. The body temperatures of go up and down as the water gets warmer or colder. maintain a relatively constant body temperature. 9. Most cells divide by the process of , which produces two identical cells called . 10. Sexual reproduction involves the fusion of male and female , which are produced by a form of cell division called . 11. The fundamental unit of evolution, as well as of biological classification, is the . |