As an undergraduate research assistant your duties involve measuring water potential in experimental soil-plant-atmosphere systems. Assume you make a series of measurements in a system under normal daylight conditions, with stomata open and photosynthesis occurring. Which of the following correctly depicts the trend your measurement data should follow if the cohesion-tension mechanism is operating?
a. soil < roots = leaves < atmosphere
b. atmosphere = leaves = roots < soil
c. soil < roots < leaves < atmosphere
d. atmosphere < leaves < roots < soil
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Ответ:
The answer is d. atmosphere < leaves < roots < soil
Ответ:
Abiotic factors refer to non-living physical and chemical elements in the ecosystem. Biotic factors are living or once-living organisms in the ecosystem. These are obtained from the biosphere and are capable of reproduction. Examples of biotic factors are animals, birds, plants, fungi, and other similar organisms.