Conditions for Life on earth

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Physiological Function
any substance that is involved in chemical reactions in a living organism has a physiological function
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Specific Heat Capacity
the measure of the amount of heat energy needed to heat up a particular mass of a material through a particular temperature rise. Water has a high specific heat capacity so it heats up and cools down slowly
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Thermophilic
heat-loving, such as the bacteria that live around hot volcanic vents and springs
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Ambient gases
the surrounding environmental gases that are available to all organisms
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Atmosphere
the gases surrounding the Earth
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Photolysis
the splitting of molecules by light, including the splitting of water molecules in the early atmosphere, producing oxygen.
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Greenhouse gas
a gas that absorbs infrared radiation and causes atmospheric heating
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Transpiration
the loss of water by evaporation from the stomata of leaves
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Biosphere
all the living organisms on Earth
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Hydrosphere
all the water on the Earth, found in solid, liquid or gaseous form
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Lithosphere
the relatively hard outer layer of the Earth, consisting of the crust and upper layer of the mantle
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Card 2

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the measure of the amount of heat energy needed to heat up a particular mass of a material through a particular temperature rise. Water has a high specific heat capacity so it heats up and cools down slowly

Back

Specific Heat Capacity

Card 3

Front

heat-loving, such as the bacteria that live around hot volcanic vents and springs

Back

Preview of the back of card 3

Card 4

Front

the surrounding environmental gases that are available to all organisms

Back

Preview of the back of card 4

Card 5

Front

the gases surrounding the Earth

Back

Preview of the back of card 5
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