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How many trophic levels are there in the following food chain? phytoplankton - shrimp - perch - pike - osprey
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Biology, 22.06.2019 10:30, pinklover2002
Which of the following statements is accurate about evolution? question 10 options: natural selection only eliminates odd individuals. evolution means that a population never has changes in its genetic frequencies. mutations are always harmful. evolution means that a population undergoes changes in its gene frequencies over time.
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Biology, 22.06.2019 17:20, elawnnalewis3568
What is an example of a scientific question that galileo could not have answered with out this new tool?
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I NEED HELP!
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B. Students 1 and 2
C. Students 1, 2, and 3
D. Stu...
B. Students 1 and 2
C. Students 1, 2, and 3
D. Stu...
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