Term
| What is the main source of oxygen in the ecosystem experiment |
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Definition
| The plants which give off oxygen as part of photosynthesis |
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Term
| List the control variables in the ecosystem experiment |
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Definition
| same amount of gravel and water that was the same temp. |
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Term
| what is the experimental variable in the ecosystem experiment |
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Definition
| adding pollution to one of the ecocolunms to see how it has affected the ecosystem |
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Term
| What type of pollution is affecting the lakes in the adirondacks? where is it coming from? how? |
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Definition
| It is acid rain. It comes from burning fossil fuels in factories and cars. The pollutant goes into the air, then falls back to earth when there is precipitation |
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Term
| why is bacteria important in an ecosystem? |
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Definition
| It acts as a decomposer, breaking down dead plants and animals and turning them into nutrients in the soil |
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Term
| What is an autotroph? Give an example |
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Definition
| an autotroph is an organism that makes its own food Ex: algea,green plants |
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Term
| What is a heterotroph? Give an example |
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Definition
| a heterotroph is an organism that must get its own food by eating other living things Ex: cow, snake,frog |
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Term
| describe what abiotic means. Give an example |
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Definition
a non-living part of an ecosystem
Ex: water, rocks |
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Term
| describe what biotic means. Give an example |
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Definition
| Living things that are part of an ecosystem Ex: bacteria, rat |
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Term
| What is the purpose of stream monitoring? |
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Definition
| to find out if the stream is polluted or not by looking at what living things are surviving in it |
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Term
Which organism in this food chain is the producer?
GRASS > MOSQUITO > FROG > SNAKE |
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Definition
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Term
| What is a dependent relationship? describe one in the aquarium or terrarium |
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Definition
| a one way relationship where one member of an ecosystem depends on another for survival FISH > WATER |
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Term
| what is an interdependent relationship? Describe one in aquarium or terrarium |
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Definition
when two members of an ecosystem both depend on each other for survival
FISH > ELODEA
ELODEA > FISH |
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