Which of the following statements about change in ecosystems is true? a. ecosystems experience change through human activity only. b. ecosystems experience change through natural events only. c. ecosystems experience no change. d. ecosystems experience change through human activity and natural events.
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Biology, 21.06.2019 13:30
Pixels are often referred to using dpi, or dots per inch. true\false
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Biology, 21.06.2019 19:50
Which statements correspond to cellular respiration? co2 diffuses passively into the cell. co2 diffuses passively out of the cell. co2 must be pumped out of the cell. o2 diffuses passively when produced inside the cell. o2 diffuses passively when converted to co2. o2 is pumped in and forces co2 out.
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Biology, 22.06.2019 10:30
Which is a function of vascular tissue? a. to perform photosynthesis b. to transport water and nutrients c. to absorb minerals and sugar d. to interact with soil fungi
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Which of the following statements about change in ecosystems is true? a. ecosystems experience chan...
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