Grade 9 Science Ecology Trems and Discriptions
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| 1. Ecology | Study of how organisms interact with each other and their environment in a system.
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| 2. Abiotic | Non living things, physical things such as, minerels, air or things measured such as temperature, hours of daylight, salt concentration.
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| 3. Biotic | Living, these factors are organism such as plants, animals, mushrooms, bacteria, algae.
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| 4. Ecosystem | Any network of interacting living & non-living factors.
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| 5. Natural Ecosystem | A natural ecosystem is neither planned nor maintained by people.
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| 6. Artificial Ecosystem | Artificial Ecosystem is planned and maintained by people. Examples: City, Zoo, Aquarium, and farms.
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| 7. Species | A group of similar organisms in an ecosystem that can reproduce with each other.
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| 8. Population | A group of memebers of the same species that live in the same area.
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| 9. Community | Populations of different species that live in the same area.
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| 10. Niche | All the interactions of a given species with its ecosystem.
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| 11. Biome | Large geographical region that contains similar ecosystems.
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| 12. Terrestrial | Land-based / aquatic-water based
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| 13. Biosphere | A part of our planet, including water, land and air, where life exits. Biomes combine to form this.
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| 14. Herbivores | An animal that eats ONLY plants
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| 15. Carnivores | An animal that eats mostly meat.
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| Omnivores | An animal that eats both plants and meat.
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| Predators | Animals that catches and feeds off of other live animals.
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| Scavengers | An animal that mostly eats decaying biomass.
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| Parasites | Obtain
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| Detrovores | A consumer that feeds on organic matter
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| Decomposers | A special group of consumers that break down organic matter and release the nutrients back into the ecosystem.
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| Heterotroph | Organisms that must feed on other organisms to obtain energy
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| Food Chains | Show A step-by-step sequence of who eats whom in an ecosystem and the one-way flow of energy from the producer to the top level consumer.
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| photosynthesis | The process plants use to produce carbohydrates from carbon dioxide, water, and sunlight. (CO2+H20 --> sugar + O2)
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| Biodiversity | Number and range of different organisms in an area.
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| Toxins |
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| Bioaccumulation | Gradual build-up of chemicals in an organism’s body.
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| Respiratiion |
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| Extirpated | Species that no longer exist in a particular region but still occurs elsewhere.
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| Ampibious | Born in water, breathing with gills but can live on land or in water.
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| Carrying Capacity | maximum number of individuals that an ecosystem can support without reducing its ability to support future generations of the same species.
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| Commensalism | Type of symbiosis in which one species benefits from a relationship without helping or harming the other species.
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| Mutualism | A type of symbiosis in which both species benefit from the symbiotic partnership.
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| Symiosis | Close interaction between two different species in which members of one species lives in on or near members of another species
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| Environment | All living things and nonliving things that exist on Earth
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| Habitat | The natural home or environment of an animal, plant, or other organism.
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Or sort by any of the columns using the down arrow next to any column heading.
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