Biology

All biomass comes from...
the sun
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Biomass is...
the mass of material built in living organisms.
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The amount of energy decreases at each stage of a pyramid of biomass because...
not all organisms are eaten by the stage above, some material is lost in waste and biomass is lost in respiration.
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During energy transfer, energy is lost in...
movement, waste and maintaining a constant body temperature.
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Decomposers...
break down waste and dead organisms.
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Examples of decomposers are...
fungi and bacterium.
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The best conditions for decay are..
warmth, moisture and a plentiful supply of oxygen.
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A new medicine must be tested for...
effectiveness, safety and stability.
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The three steps of drug testing are... .
laboratory testing followed by animal testing followed by a clinical trial on human volunteers
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A double blind test... .
is a test to gauge the effectiveness of a drug by giving some patients a placebo and some patients the new drug
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Other cards in this set

Card 2

Front

Biomass is...

Back

the mass of material built in living organisms.

Card 3

Front

The amount of energy decreases at each stage of a pyramid of biomass because...

Back

Preview of the front of card 3

Card 4

Front

During energy transfer, energy is lost in...

Back

Preview of the front of card 4

Card 5

Front

Decomposers...

Back

Preview of the front of card 5
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