First Quarter Vocab. Word Scramble
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Term | Definition |
Biotic | The living parts of an ecosystem. |
Abiotic | The non-living parts of an ecosystem. |
Producer/Autotroph | An organism that makes its own food through photosynthesis. |
Consumer/Heterotroph | An organism that consumes other organisms for energy. |
Decomposer | An organism that breaks down dead, decaying organisms and returns nutrients back into the soil. |
Herbivore | And organism that eats only plants. |
Carnivore | An organism that eats only meat. |
Omnivore | An organism that eats BOTH plants and animals. |
Scavenger | And organism that eats dead organisms. |
Food Chain | A model that shows how matter and energy move through an ecosystem in a series of steps showing which organisms transfer energy by eating or being eaten. Each level of a food chain represents a feeding step in the transfer of matter and energy. |
Food Web | A model that shows all of the possible feeding relationships in each trophic level; It links all of the food chains in an ecosystem. |
The Sun's Role in Food Chains and Food Webs | It is the ultimate source of energy for all living things. |
Energy Pyramid | A model that shows how energy flows up the food chain. |
Symbiosis | A close relationship between two species that benefits at least one of the species. |
Mutualism | A relationship in which both species benefit. :) / :) |
Commensalism | A relationship in which one species benefits and the other species is neither helped nor harmed. :) / :I |
Parasitism | A relationship where one organism lives inside the other and harms it. :) / :( |
Predator | An organism that eats other animals for food. They are usually carnivores or omnivores. |
Prey | An organism that usually gets eaten by a predator. They are usually herbivores. |
Competition | The act of competing for resources in an environment with other species. |
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