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15 Cards in this Set
- Front
- Back
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What is a species? |
A group of individuals which have the ability to breed and produce fertile offspring. |
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Define a producer |
Organisms which are able to produce their own food by using energy from the sun. |
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What term is given to an organism which only eats plants? |
Herbivore |
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What term is given to an organism which only eats animals? |
Carnivore |
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What term is given to an organism which eats both animals and plants? |
Omnivore |
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What is a primary consumer? |
An organism which consumes producers and tend to be herbivores. |
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What is a secondary consumer? |
An organism which consumes primary consumers and can eat either animals or both animal and plant material. |
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Explain the 10% rule |
The 10% rule is when only 10% of energy in an organism is passed onto the next trophic level. The other 90% is used or lost by the organism. |
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What type of pyramid is the only one which always gives a true pyramid shape? |
Pyramid of energy |
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Describe the route nitrogen takes in the nitrogen cycle beginning with protein in plants. |
Protein in plants > Protein in animals > Death and decay > Ammonium Compounds > Nitrites > Nitrates > Protein in Plants or Nitrogen in air > Nitrates. |
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Name the organism and the process which is responsible to converting ammonium compounds to nitrites and then nitrates? |
Nitrifying bacteria and Nitrification |
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Name the organism and the process which is responsible for converting nitrates into nitrogen in the air? |
Denitrifying bacteria and Denitrification |
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Name the organism and the process which is responsible for converting nitrogen in the air to Nitrates in the soil? |
Nitrogen fixing bacteria and Nitrogen fixation. |
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Other than nitrogen fixing bacteria, how else can nitrogen get from the air to the soil? |
Lightening |
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Name the process by which dead animals and plants return back to the soil and which organisms are responsible for this process? |
Decomposition and decomposers (bacteria and fungi) |
