2011년 5월 8일 일요일

Hi~ I'm Mr. Science~!

Here are some key terms you need to know!!!

1. Ecology
=> the study of the interaction between living things and non-living things in the environment

2. Ecosystem
=> in an area defined by an ecologist, the set of relationships between populations of species and between them and non-living factors in their environment

3. Food Chain
=> a step-by-step sequence linking organisms that feed on each other, beginning with a food source, such as a producer or detritus, and continuing with a sequece of consumers

4. Producer
=> an organism that uses photosynthesis or another form of chemical synthesis to make food

5. Consumer
=> an organism that must eat producers or other consumers to survive

6. Herbivore
=> an animal that eats plants

7. Carnivore
=> an animal that feeds on other animals

8. Omnivore
=> an animal that eats both plants and animals

9. Detritus
=> waste from plants and animals, including their dead remains

10. Decomposer
=> an organism that feeds on detritus, in the process releasing nutrients to the soil and water, where they can be used by other organisms

11. Habitat
=> the conditions required for the survival of a species

12. Biodiversity
=> the number of species in an ecosystem, and the variety within those species

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