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Biology, 22.06.2019 03:50, ofkameron50
The breakdown of food is accomplished by enzymes. a. physical b. chemical c. mechanical d. none of the above
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Are gametes exactly the same? explain why or why not?
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Biology, 22.06.2019 15:00, Gunn2368
Which of the following must be true for a fossil organism to be useful as an index fossil? a. the fossil organism must be widespread geographically. b. the fossil organism must be abundant. c. the fossil organism must be limited to a short span of geologic time. d. all of the above.
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Biology, 22.06.2019 15:30, gunnatvinson
Some plants have reproductive structures that them reproduce using natural forces or animals. how does the reproductive structure shown here ensure the reproductive success of plants?
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The organs of the heart and blood vessels form which of the following...
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