What is an index fossil?
A. A fossil that contains rocks and minerals
B. A fossil found...
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Biology, 22.06.2019 01:30
What type of competition exsist between two species. turtles and fish
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Apair of fruit flies reproduces and has 1,000 offspring. all 1,000 of the offspring have the alleles gg. what is the most likely combination of alleles for each parent
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Nephrons, the functional unit of kidneys, are responsible for formation of urine. the sentences describe situations that are the result of problems in the urine formation process. for the nephron shown below, match each situation to the step in the urine formation process where the problem lies.
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Biology, 22.06.2019 11:00
Identify two examples of chemical reactions that you have encountered during the last week. identify an exothermic and endothermic reaction. explain.
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