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Which kind of aquatic ecosystem does the photograph most likely show? a. marsh b. swamp c. lake d. river
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Why is it important to reduce the number of chromosomes in half when forming gametes for sexual reproduction?
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Aragonite shells of clams, snails, or scleractinian corals may be preserved unaltered in cenozoic deposits, but they are generally dissolved or recrystallized in older deposits. true or false
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There are few cells in the body that do not undergo mitosis: most somatic cells divide regularly, some more than others. take for example the cells that line the digestive tract. these cells must be frequently replaced because they are constantly eroded by the movement of food through the tract. what mechanism(s) is/are in place to ensure that these cells are exact copies of the mother cell
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When the US exports plastic trash to other countries, do you think this is an example of environment...
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