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The Ecosystem
The Ecosystem and Organism Relationships
| Question | Answer |
|---|---|
| What is the study of relationships between organisms and their physical environment? | Ecology |
| What is the limited area in which living and non-living things interact? | Ecosystem |
| What is the place where an organism lives? | Habitat |
| What is the role or function of an organnism in its environment? | Niche |
| What are the 2 major parts of the ecosystem? | The abiotic environment and the biotic environment |
| What are the 5 abiotic environmental factors of an ecosystem? | Light, temperature, water, soil and substrate, and wind |
| What are the 2 population types in a biotic environment? | Producer organisms and Consumer organisms |
| what is the cyclic change that occurs in an ecosystem? | Rhythm |
| What are the 2 different rhythm types? | Circadian and seasonal rhythms |
| What is the regular fluctuations in a living organism that repeats on a 24 hour cycle? | A Circadian Rhythm |
| What is the change that takes place annually in the ecosystem? | Seasonal Rhythm |
| What is the passing of materials and energy from one organism to another? | Food Chain |
| An organism that breaks down dead organisms and returns this material to the soil? | A Decomposer |
| What are 2 examples of decomposers? | fungus and bacteria |
| What is the method of illustrating the interrelationships between food chains in the ecosystem? | Food Web |
| What kind of organism exists without the aid of other members of the same species(except for reproduction)? | Independent organisms |
| What are the groups of animals of the sam especies that live together? | Animal society |
| What are insects that live in a colony for divisions of roles called? | Social Insects |
| What is the struggle among some organisms for an essential factor that is in short supply in the environment? | Competition |
| What is the relationship in which 2 or more organisms live together? | A Symbiotic Relationship |
| What kind of relationship keeps populations balanced by adjusting population to a size an ecosystem can support? | A Predator-Prey Relationship |
| What is the relationship in which 1 organism benefits and the other one is not helped or harmed? | Commensalism |
| What is the relationship that is beneficial to both organisms involved? | Mutualsim |
| What is the relationship between organisms of different species where a parasite benefits from a host? | Obligatory(parasite-host) |
| What is the movement of water into the atmosphere by changing from a liquid to a vapor? | Evaporation |
| What is the movement of water into the atmosphere to the ground? | Precipitation |
| What are the 2 ways nitrogen is diposited into the soild? | Rain and wastes |
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