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UNIT 3
Biosphere pt. 2
| Term | Definition |
|---|---|
| Biome | An area of the planet that can be classified according to the plants and animals that live in it |
| 4 Defining Characteristics of Biomes | Temperature, soil, amount of light, amount of water |
| Tundra Biome | Cold, treeless, permanently frozen ground |
| Taiga Biome | Cold, animals hibernate, largest biome, coniferous trees |
| Grasslands Biome | Large, rolling terrain, many grasses, few trees, fire |
| Deciduous Forest Biome | Four distinct seasons, many trees, camouflage |
| Savanna Biome | Grassland, few trees, little rainfall, tropical climate |
| Chaparral Biome | Hot and dry, mild winter, fire and drought are common |
| Rainforest Biome | Year-round warmth, near equator, rainy and dry seasons |
| Desert Biome | Cold or hot/dry, little vegetation, nocturnal animals |
| Alpine Biome | Mountainous, cold, small vegetation, animals have insulation |
| Weather | The daily fluctuation of temperature and precipitation |
| Climate | Weather in a particular location over a long period of time |
| Keystone Species | Species that have a large impact on their habitats and affect many other species |
| Indicator Species | Species that respond to environmental changes drastically; help measure environmental conditions and can be indicators of environmental health |
| Pioneer Species | The first organisms to inhabit barren environments |
| Climax Community | The final stage of succession; a stable community that remains relatively unchanged |
| Biodiversity | The variety of life |
| Species Biodiversity | The variety of species within a habitat or region |
| Genetic Biodiversity | The variation of DNA and genes within a species or population |
| Ecological Biodiversity | The variation in the network of species present in a certain location and the way they interact with each other |
| Biodiversity Index | Tells a scientist how many species exist in a certain environment; is calculated by dividing the total number of species in the area by the total number of individuals in the area; a greater index represents greater biodiversity |
| Line Transect | One method of sampling the number of species in an area; a sample of species along a physical line is measured as the number of species touching the line provides evidence for the amount of biodiversity in that location |
Created by:
fcampbel6126
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