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Science Test 1

Define Population How many species are in one area
Define Community How many living organisms are in one area
Define Ecosystem How many living organisms and all abiotic factors in one area.
What is carrying capacity? The amount of living things that one location can sustain without too many of its essential resources being depleted.
What does biotic and abiotic mean? Abiotic: Not living Biotic: Living
Why are there few organisms on the top of the energy pyramid? There are smaller numbers on the top of a energy pyramid because there is less energy being passed on.
Define Biodiversity Variety of living organisms in an area
Why is biodiversity important? To maintain healthy equilibrium in food chains and food webs.
How much energy is transferred to the next level on an energy pyramid? 10%
What are the anthropogenic changes (induced by human activity) that can disrupt ecosystems and threaten the survival of a species. Noise, light, and air pollution
Define Food Chain Shows linear relationship between organisms and the flow of energy between them.
Define Autotroph Organisms that produce their own energy (Example: Algae)
Define Heterotroph Organsisms that consume energy from other organisms (Example: Humans)
Define Trophic Levels Ways to identify similar organisms based on energy consumption.
How can we increase biodiversity?
Created by: 16esmith



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