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Biomes
Ecosystems and Biomes 23-24
| Term | Definition |
|---|---|
| Biomes | A distinct region of the world with specific climate, geographic qualities, and vegetation. |
| Rainforest | A biome that has a climate that has the greatest amount of rainfall, covers 6% of the Earth's surface that is home to 50% of all species, near equator, and has the most diverse ecosystems. |
| Chaparral | A biome that has a climate that has hot summers, cool and rainy winters, plagued by wildfires, with many shrubs, and can be along the coasts. |
| Arctic | A biome that has a climate that is freezing most, if not all, of the year, has very little soil for growth of plants, and windiest places on Earth. |
| Arctic Tundra | A biome that has a climate that has permafrost present most of the year, cold, dry, high altitudes, and has no trees. |
| Taiga | Coniferous Forest; A biome that has a climate that is cold and harsh with a short growing season, prone to wildfires, and dominated by evergreen trees, with low biodiversity due tot harsh conditions. |
| Temperate Deciduous Forest | A biome that has a climate that generally has four seasons, with 2-6 feet of precipitation per year, and includes large hardwood trees. |
| Desert | A biome that has an arid climate that has little precipitation, covers nearly 20% of the Earth's surface. |
| Grasslands | A biome that has a climate that has hot weather year-round, but have torrential downpours to replenish the region, fertile soil, with deep-rooted grasses and trees. |
| Oceans | An aquatic biome that covers 70% of the Earth's surface, that is salt water, and it's temperature depends on it's global location. |
| Microhabitat | A very small part of the environment that supports a distinct flora and fauna. |
| Flora | The plants in an environment. |
| Fauna | The animals in an environment. |
| Biodiversity | Describes the variety of life across all levels of ecological organization. |
| Genetic Biodiversity | Variation in genes that exists within a species. |
| Species Biodiversity | The number of species and abundance of each species that live in a particular location. |
| Ecological Biodiversity | The variety of ways that species interact with each other and their environment. |
| Ecosystem | All of the living populations in an area along with the nonliving parts of that environment. |
| Sustainability | Ability of an ecosystem to remain stable in regular and catastrophic conditions. |
| Food Chain | A single pathway in which energy and nutrients are passed from one living organism to another. Energy is used up as it moves and the arrow represents energy being transferred. |
| Food Web | A network of food chains by which energy and nutrients are passed on from one living organism to another with multiple pathways. The arrows represent energy being transferred. |
| Natural Selection | The process whereby organisms better adapted to their environment tend to survive and produce more offspring over long periods of time. |
| Pollution | The presence in or introduction into the environment of a substance or thing that has harmful or poisonous effects. |
| Habitat | The natural home or environment of an organism. |
| Microhabitat | A very small part of the environment that supports a distinct flora and fauna. |
| Estuary | the tidal mouth of a large river, where the tide meets the stream. |
| Savannah | grasslands with scattered trees. |
| Biotic | Living factor in an ecosystem |
| Abiotic | Non-living factor in an ecosystem |
| Heterotrophs | Organism that cannot make their own food, so they have to eat other things like plants or animals. |
| Autotroph | Organism that makes its own food. |
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PGM 7 SCI
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