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16 Cards in this Set
- Front
- Back
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what is a trophic level |
the position an organism occupies on a food chain |
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what is an ecological niche |
the role an organism performs in an ecosystem |
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what are the ecological niches? |
primary producers, primary consumers, secondary consumers, tertiary consumers, quarternary consumers |
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what is a food web |
a complex of interrelated food chains in an ecological community |
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what are autotrophs |
producers |
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what are heterotrophs |
consumers |
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what is a carnivore |
an animal that feeds on other animals |
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what is a herbivore |
an animal that feeds mainly on plants |
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what is a omnivore |
an organism that feeds on both plants and animals |
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what is a decomposer |
an organism that feeds on and breaks down dead plant or animal matter which makes organic nutrients available to the ecosystem |
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what is cellular respiration |
plants and animals break down glucose to obtain energy |
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what is the word equation for photosynthesis |
carbon dioxide + water --> glucose + oxygen |
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what is the word equation for cellular respiration |
glucose + oxygen --> carbon dioxide + water |
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where can carbon be stored (reservoir) |
- atmosphere - rocks - soil - oceans |
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what are the four categories of pesticides |
insecticides - kills insects herbicide - kills weeds fungicide - kills moulds or fungi bactericide - kills bacteria |
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what are some possible effects of pesticide use |
- can target species that weren't intended to be targeted - bioamplification and biomagnification |
