Why do most biologists believe that true commensalism does not exist? a. an ecosystem usually has more parasites than hosts b. animals of different species usually do not like to work together c. the relationships are probably mutual or parasitic d. animals of the same species rarely compete with one another
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Biology, 21.06.2019 21:20
Atypical human cell is approximately 12.00 μm in diameter and enclosed by a membrane that is 5.000 nm thick. (a) what is the volume of the cell including the membrane? (b) what is the volume of the cell membrane? (c) what percent of the total volume does its membrane occupy? to simplify the calculations, model the cell as a sphere. enter your answers using four significant figures.
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Biology, 21.06.2019 21:30
The fauces connects which of th following structures to the oropharynx
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Biology, 21.06.2019 21:50
What is the name for a substance formed in a chemical reaction
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Biology, 22.06.2019 08:00
Two students are working together on an experiment that measures the effect of different liquid fertilizers on the thickness of plants’ stems. which is most likely to result in the greatest amount of error in their scientific experiment? a.one student measures the plant stem widths by using calipers. the other student measures the widths of the same plant stems again by using a different pair of calipers. b.one student measures the plant stem widths by using calipers. the other student types the measurements as they are taken into a computer spreadsheet. c.one student weighs liquids for the experiment by using a calibrated scale. the other student weighs liquids for the experiment by using a different calibrated scale.
Answers: 1
Why do most biologists believe that true commensalism does not exist? a. an ecosystem usually has m...
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