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5 Cards in this Set
- Front
- Back
What are saprobionts? |
Group of organisms that break down materials in dead organisms releasing valuable elements in a form that can be absorbed by plants. |
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Why is fresh mass unreliable? |
Is the total mass of living material in a specific area at a given time. |
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Why is biomass mostly unreliable? |
Presence of different amounts of water. |
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What is calorimetry? |
The dry material is weighed + burned in pure oxygen in a sealed chamber. The heat required to raise 1 kilo of water by one degree. |
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Why is most energy not converted into organic matter? |
Over 90% of sun's energy is reflected from atmosphere Not all wavelengths can be used for photosynthesis May not fall on chlorophyll molecule other factors |