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Science Test 1
| Question | Answer |
|---|---|
| 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