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5 Cards in this Set

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  • 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.

Why is fresh mass unreliable?

Is the total mass of living material in a specific area at a given time.

Why is biomass mostly unreliable?

Presence of different amounts of water.

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.

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