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What is Heredity?
Chapter 2 Ecology
| Term | Definition |
|---|---|
| Producer | An organism that can make its own food. |
| Consumer | An organism that obtains energy by feeding. |
| Herbivore | Consumers that eat only plants. |
| Carnivore | Consumers that only eat animals. |
| Omnivore | Consumers that eat both plants and animals. |
| Scavenger | A Carnivore that feeds on the bodies of dead organisms. |
| Decomposer | Break down biotic wastes and dead organisms. |
| Food chain | A series of events in which one organism eats another and obtains energy. |
| Food Web | Consists of many overlapping food chains in an ecosystem. |
| Energy pyramid | A diagram that shows the amount of energy that moves from one feeding level to another food web. |
| Evaporation | The process by which molecules at the surface of a liquid absorb enough energy to change to a gas. |
| Condensation | The change in state from a gas to a liquid. |
| Precipitation | Any form of water that falls from clouds and reaches earths surface as rain, snow, sleet or hail. |
| Nitrogen fixation | The process of changing free nitrogen gas into nitrogen compounds that plants absorb and use. |
| Biome | A group of Ecosystems with similar climates and organisms. |
| Climate | The Average annual conditions of temperature, precipitation and wind. |
| Desert | A dry region that on average receives, less that 25 centimeters of precipitation per year. |
| Rain Forest | A forest that receives 20 meters at ost of rain per year. |
| Emergent Layer | The tallest layer of the rain forest which receives the most sunlight the most sunlight. |
| Canopy | Underneath emergent layers can grow this. Trees about 50 feet high and that are leafy can form this. |
| Understory | Form under canopy's. The forest floor is dark so, only a couple plants live there. |
| Grassland | An area populated mostly by grasses and other non woody plants that get 25, to 75 inches of rain each year. |
| Savanna | A grassland located close to the equator that may include shrubs and small trees. |
| Deciduous Tree | A tree that sheds its leaves during a particular season. |
| Boreal Forest | Dense forest of evergreens located in the upper regions. |
| Coniferous Tree | A tree that produces its seeds in cones and that has a needle shaped leaves. |
| Tundra | An extremely cold, dry biome climate region. |
| Permafrost | Permanently frozen soil found in the tundra biome climate region. |
| Estuary | A kind of wetland formed where freshwater from rivers mix with salty ocean water. |
| Intertidal Zone | An area between the highest high-tide line on land to the point on the continental shelf. |
| Netric Zone | The area of the ocean that extends from the low tide line out to the edge of the continental shelf. |
| Biogeography | The study where organisms live and how they got there. |
| Continental drift | The hypothesis that the continents slowly move across earths surface. |
| Dispersal | The movement of organisms from one place to another. |
| Exotic Species | Species that are carried to a new location by people. |
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239ksn
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