APES Unit 2 Vocab Word Scramble
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| Term | Definition |
| Adaptation | A trait that helps an organism survive and reproduce. |
| Anthropogenic | Human-induced changes on the natural environment, either indirectly or directly. |
| Biodiversity | The variety of life in the world or in a particular habitat or ecosystem. |
| Biomass | A measure of the total amount of organisms within a particular region |
| Bottleneck effect | Occurs when a populations size is greatly reduced due to environmental events such as floods, earthquakes, or fires. |
| Colonize | The arrival of individuals to areas of suitable habitat that are currently uninhabited |
| Cultural Ecosystem Service | The non-material benefits that people obtain from ecosystems through recreation, tourism, intellectual development, spiritual enrichment, reflection and creative and aesthetic experiences. |
| ecological succession | the process by which the structure of a biological community evolves over time. Two different types of succession primary and secondary |
| Ecological Tolerance | The range of conditions in which a species can survive. |
| Ecosystem Services | Important environmental benefits, such as clean air to breathe, clean water to drink, and fertile soil in which to grow crops, that ecosystems provide to people. |
| Episodic | An unpredictable, episodic event, due to an external agent, which disrupts the state of the ecosystem causing abrupt mortality, and, hence, subtraction of biomass |
| Flow Rate | The quality, quantity, and timing of water flows required to maintain the components, functions, processes, and resilience of aquatic ecosystems which provide goods and services to people. |
| generalist species | Species with a broad ecological niche. They can live in many different places, eat a variety of foods, and tolerate a wide range of environmental conditions. |
| Genetic Diversity | the range of different inherited traits within a species |
| Habitat Diversity | the range of habitats present in a region |
| invasive species | A species that is not native to an ecosystem and causes harm. |
| Island Biogeography | biogeography that examines the factors that affect the species richness and diversification of isolated natural communities. |
| Migration | seasonal movement of animals from one region to another. |
| Natural disruption | Events in nature that occur naturally -volcanic eruptions -forest fires -landslides and earthquakes |
| Periodic | Describes something that occurs or repeats at regular intervals |
| pioneer species | First species to populate an area during primary succession. |
| provisioning ecosystem services | provisioning ecosystem services |
| Random | by chance, not planned or prearranged; irregular |
| regulating ecosystem services | The benefit provided by ecosystem processes that moderate natural phenomena. - pollination - decomposition - water purification - erosion - flood control - climate regulation. |
| Salinity | A measure of the amount of dissolved salts in a given amount of liquid |
| secondary succession | Succession following a disturbance that destroys a community without destroying the soil |
| specialist species | Species with a narrow ecological niche. They may be able to live in only one type of habitat, tolerate only a narrow range of climatic and other environmental conditions, or use only one type or a few types of food. |
| primary succession | An ecological succession that begins in an area where no biotic community previously existed |
| species richness | the number of different species in a defined region. |
| supporting ecosystem services | Ecosystem services that are necessary for the production of all other ecosystem services. - biomass - production, - production of atmospheric oxygen - soil formation and retention - nutrient cycling - water cycling - provisioning of habitat. |
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