Biology B2 Organisms in the environment - 2.1 - 2.7

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What is photosynthisis?
Summed up in the equation... CO2+H2O---->Glucose+O2
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Where does the energy for photosynthsis come from?
Light energy
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How it energy absorbed by plants?
Through the chlorophyll
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What factors limit the rate of photosynthesis?
Light, Temperature and carbon dioxide
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How can we use limiting factors to grow more food?
Manipulate the light, Temperature and Carbon dioxide artificially.
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What are the 4 thing plants do with glucose?
Respiration, Store it, Produce fats and oils, Create cellulose.
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What other materials do plant cells need to produce proteins?
Nitrate ions to make amino acids that are the bases for proteins.
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How can we control the enviroment that plants are grown in?
Light levels, low temperature, carbon dioxide levels.
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What 5 factors affect the distribution of organisms in the natural environment?
Temperature, Nutrients, Light levels, Water levels, O2 and CO2 levels.
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How do you measure the distribution of living things in their natural environment?
Random sampling with a quadrats or sampling along a transect.
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Other cards in this set

Card 2

Front

Where does the energy for photosynthsis come from?

Back

Light energy

Card 3

Front

How it energy absorbed by plants?

Back

Preview of the front of card 3

Card 4

Front

What factors limit the rate of photosynthesis?

Back

Preview of the front of card 4

Card 5

Front

How can we use limiting factors to grow more food?

Back

Preview of the front of card 5
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