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Ecology
Energy Flow in Ecosystems
| Question | Answer |
|---|---|
| What is an ecosystem? | A community of interacting organisms and their physical environment. |
| What are the different areas within an ecosystem where organisms can live called? | Habitats |
| What is an organism? | Any living thing |
| What would you call a group of organisms, living in the same area, who can successfully interbreed? | A population |
| What is a community? | All the interacting populations of living things in a particular area. |
| Anything from which something can be made. | Matter |
| A diagram that shows one possible path through which energy can flow in an ecosystem. | Food Chain |
| Combines many food chains showing the energy relationships among organisms. | Food Web |
| What does the direction of an arrow indicate on a food chain or food web? | Arrows point in the direction of energy flow. |
| Organisms that are capable of making their own food, often referred to as producers. | Autotrophs |
| The vast majority of autotrophs make their own energy through this process. | Photosynthesis |
| These organisms are found at the base of all food chains. | Producers |
| Organisms that must consume other organisms to gain energy, often referred to as consumers. | Heterotrophs |
| An organism that primarily eat producers | Herbivore |
| An organism that primarily eat other consumers | Carnivore |
| An organism that eat both producers & other consumers. | Omnivore |
| A diagram used to show how energy passes from one organism to another | Energy pyramid |
| Each feeding level on an energy pyramid should be referred to as a ... | Trophic level |
| Roughly how much energy is lost moving from one trophic level to the next? | 90% |
| How is energy lost on a trophic level? | Maintaining an organisms body and as heat |
| Why are there always fewer predators than prey in a healthy ecosystem? | There are always fewer predators because they are higher on the food chain. Organisms don't pass on all the energy they take in so the higher an organism is in a food chain the less energy that's available. |
| A predator at the top of a food chain, without natural predators. | Apex predator |
| An organism that breaks down the cells of dead plants and animals into simpler substances. | Decomposer |
| True or false, decomposers can act on any trophic level? | True |
| Organisms that consume organic waste. | Detritovores |
| An organism that feeds on dead organic matter. | Scavengers |
| This terms refers to the raw material organisms need to survive. | Nutrients |
| The term for land-based ecosystems. | Terrestrial |
| The term for water-based ecosystems. | Aquatic |
Created by:
Patrick.Canny Triton
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