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science 560
science flashcards of 9 terms
Question | Answer |
---|---|
Food Chain | an illustration of how food moves through an ecosystem |
Food Web | a model more complex than a food chain that describes moves through an ecosystem |
Primary Consumer | an organism that eats producers |
Secondary Consumer | an organism that eats herbivores |
Tertiary Consumer | organism, such as a predator, at the top of the energy pyramid |
Nitrifying Bacteria | a type of soil bacteria that can change nitrogen in the atmosphere to a form plants can take up through their roots |
Nitrogen Cycle | the process in which nitrogen moves from the atmosphere to the soil, to living organisms, and back into the atmosphere |
Phosphorous Cycle | the process through which phosphorous moves from soil to producers and consumers and back to soil |
Carbon Cycle | the process through which carbon moves between the living and nonliving environment |