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BIO 140 test 2 CH 5
Chapter 5
| Question | Answer |
|---|---|
| Competition | when multiple organisms seek the same limited resource |
| Intraspecific competition | competitive interactions take place among members of the same species |
| Resource partitioning | the species divide the resource they use in common by specializing in different ways |
| Predation | the processes by which individuals of one species hunt, capture, kill and consume |
| Parasitism | one organism depends on another |
| Herbivory | animals feed on the tissue of plants |
| Mutualism | a relationship in which species benefit from one another |
| Symbiosis | relationships occur between organisms that live in close physical contact |
| Community | an assemblage of species living in the same place at the same time |
| Trophic level | As organisms feed on one another, matter and energy move through the community from one rank in the feeding hierarchy to another |
| Producers | self feeders first trophic level autotrophs |
| Interspecific competition | the species divide the resource they use in common among members of two or more species |
| Consumers | occupy second and rest of trophic levels |
| Second level(primary consumers) | feed on producers-herbivores |
| Secondary consumers | feed on primary |
| Tertiary third level consumers | feed on secondary |
| quaternary-fourth- consumers | humans |
| food web | complex |
| food chain | a series-one step to another-a visual map |
| detrivores | scavengers-feed on nonliving matter |
| Decomposers | help break down nonliving matter into smaller matter(element) |
| keystone species | species are critical, help maintain the community. Top of the food chain |
| resistance | remaining stable despite disturbance(no change) |
| resilience | changes in response to disturbance but later returns to its natural state |
| succession | communities are replaced by other communities over time in a given area |
| primary succession | beginning on rock, sand,-start from scratch-takes longer |
| secondary succession | already has a base, occurs after a disturbance |
| climax community | final stage of succession |
| pioneer species | first species to colonize a given area |
| invasive species | non-native species that spread rapidly and widely in a community |
| ecological restoration | restore communities to an earlier condition |
| biome | a very large ecological unit that's characterized by dominant types of plants and vegetation structure |
| temperature and precipitation | two major factors that affect climate |
| temperate deciduous forest | area with trees that lose their leaves seasonally |
| temperate grassland | temperature differences between winter and summer are more extreme and rainfall diminishes |
| temperate rainforest | heavy rainfall |
| tundra | frozen desert, perma frost, small plants |
Created by:
kerinv
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