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Ecology quiz 8
8th grade ecology quiz
| Question | Answer |
|---|---|
| Ecology | the study of the interactions of living things with each other and their physical enviorment |
| Biosphere | all living things exist |
| Ecosystem | a group of living things and their non living enviorment |
| Community | all the diffrent species that live in an ecosystem |
| Population | organisms of the same species |
| Organism | a single living thing |
| Eco system | a group of living things and non living things |
| Biotic factor | living things in an ecosystem |
| Abiotic factors | non- living |
| population | the same species that live together in an ecosystem |
| community | different species that live together in an ecosystem |
| competative relationship | organisms with the same needs compete for the same recources |
| Harmful relationship | one organism benefits while one is harmed |
| Beneficial relationship | one or both organisms gain from the relationship. Neither is harmed/ |
| Autotrophs | organisms that make their own food by photosynthesis "Producers" |
| Heterotrophs | cannot make their own food. They eat autotrophs "consumers" |
| Herbivores | eat plants |
| Carnivores | eat animals |
| Omnivores | eat both |
| Energy usually starts with ______ | the sun |
| Identify: | producer, primary consumer, secondary producer, Teritary consumer |
| Decomposers | organisms that obtain energy by consuming wastes and dead organisms |
| Scavenger | an animal that feeds on dead or decaying orgains |
| Ecological succession | organisms are replaced with new ones, a community replaces another community |
| Urban growth | the spreading of buildings, homes, and cities |
| Pollution | acid rain, global warming |