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Chap 34.
Campbell biology chapter 34
| Question | Answer |
|---|---|
| Ecology | The study of communities of organisms. |
| Population | A group of individuals of the same spieces living in a particular area. |
| Community | A group of all of the populations living in a particular area. |
| Ecosystem | An ecosystem includes all of the life in a given area, along with all of the non-living matter. |
| Abiotic Components | The abiotic are everything other than life in that area, energy, temperature, rock, chemicals. |
| Biotic Components | All of the life in the ecosystem, from the smallest to the largest. |
| Biosphere | The biosphere is the global ecosystem of the entire planet. |
| Habitats | An area, and the living conditions inside of it. |
| Tropics | The region between The Tropic of Cancer and The Tropic of Capricorn. |
| Doldrums | An calm area with almost no winds. |
| Trade Winds | Winds which dominate the tropics blowing towards the equator, which were used for a long time to carry trade ships. |
| Temperate Zones | The latitudes between the Artic and Antartic zones and the tropics. These areas have much greater seasonal climate variations. |
| Prevailing Winds | Winds which come from the movement of huge masses of air planetwide. They cover large portions of the globe. |
| Biomes | The worlds major ecosystems. |
| Intertidal Zone | The area near the beach which is often pounded by waves at high tide and left exposed at low tide. |
| Phiotic Zone | A relatively small zone of water and floor that light penatrates. It hold much of the life. |
| Aphiotic Zone | A vast, dark region underlying the phiotic zone. |
| Tropical Forests | Tropical forests cluster near the equator where there is large amounts of rainfall. They hold a great diversity of life. |
| Savanna | Savanna are grasslands with scattered trees, many of which are stunted by the winds. |
| Deserts | Deserts are the driest of all biomes. Many get less than 30 cm a year. |
| Desertification | The proccess of an area turning into a desert, by overgrazing, overfarming, or other proccesses. |
| Chaparral | Chaparral is a dryish biome, dominated by small spiny shrubs and grasses. |
| Temperate Grasslands | Temperate grasslands cover much of the middle of north America. They are covered in short grasses. |
| Tundra | Tundra is the russian word for marshy plain. It circles the north pole, and is covered by dwarf shrubs, mosses, lichens, and grasses. |
| Permafrost | Permafrost is an area of the ground under the tundra which never thaws. |