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10 Cards in this Set
- Front
- Back
- 3rd side (hint)
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What is the ultimate source of energy in an eco-system?
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The sun
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Producers provide what for other organisms in the food chain?
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Food, energy and oxygen
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F_ _ _D
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Name one kind of energy lost to the surroundings.
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1.As heat during respiration at every trophic level
2.Through undigested matter egested by consumers 3.Through excretory products E.g. Urea from consumers |
r_ _ _ _ _ _ation
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Green plants _____ photosynthesis without carbon dioxide.
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cannot
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Name one of the causes that Man affect the ecosystem.
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Flooding Of River,Deforestation
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De_ _ _ _ _tation
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Definte Desertification.
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Land becomes barren when too much water was evaporated rapidly form the topsoil.
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Land becomes b_ _ _en.
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Name One pollution mentioned in the powerpoint.
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- Water
- Air |
a_r
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What contributed to the large amounts of acid rain.
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The death of fish
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fish will D_e.
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What is WCS?
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World Conservation Strategy
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In the past, what cuses a drop in fish stocks?
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Fishing
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