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Ecology
| Question | Answer |
|---|---|
| All of the individuals of a species that live in the same area are known as what? | a population |
| Plants, animals, competition, predation & disease are examples of what kind of factors? | Biotic |
| Organisms that produce food from light are energy are known as what? | producers or autotrophs |
| Amount of sunlight, the amount of rainfall & the type of soil are all examples of what kind of factors? | Abiotic |
| Organisms that must consume their food are known as what? | consumers or heterotrophs |
| What do herbivores eat? | Plant material |
| What do carnivores eat? | other animals |
| What do omnivores eat? | both plants & animals |
| What do scavengers eat? | Dead organisms |
| What are examples of decomposers? | fungus & bacteria |
| What are trophic levels? | feeding levels |
| What do we call the place where an organism lives? | its habitat |
| What does symbiosis mean? | living together |
| The role that an organism plays within an ecosystem is known as its what? | niche |
| What kind of symbiotic relationship results in one organism benefiting and the relationship makes no difference to the other? | commensalism |
| What do we call a relationship where both organisms benefit? | mutualism |
| What do we call a relationship where one organism benefits and the other is harmed? | parasitism |
| What do we call the change within plants and then animals within an ecosystem over time? | succession |
| What kind of succession starts with exposed rock? | primary succession |
| What kind of succession results from some kind of disruption? | secondary succession |
| What do we call lichens or moss that first colonize exposed rock? | pioneer species |
| What is a biome? | a regional community of organisms characterized by the climate & plant communities |
| Which biome is known for winters that last as long as 10 months each year and permafrost? | the tundra |
| Which biome has grasses as the climax community? | grassland or prairie or savannah or pampas |
| Which biome has deciduous trees as the climax community? | the temperate forest |
| Which biome has primarily conifers & thin soil? | the taiga |
| Which biome has the greatest diversity of all and yet the soil is relatively thin? | the tropical rain forest |
| What happens to energy at each trophic level as energy flows through an ecosystem? | Energy is lost and the amount of energy available at each trophic level decreases |
| What happens to matter as it flows through an ecosystem? | matter is recycled |
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