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Ecology 2
Ecology chapter 2 vocab
| Term | Definition |
|---|---|
| producer | an organism that can make its own food |
| consumer | an organism that obtains energy by eating only animals |
| herbivore | a consumer that obtains energy by only eating plants |
| carnivore | a consumer that obtains energy by only eating animals |
| omnivore | a consumer that obtains energy by eating both plants and animals |
| scavenger | a carnivore that feeds on the bodies of dead or decaying animals |
| food chain | the series of events in an ecosystem in which organisms transfer energy by eating and being eaten. |
| food web | the pattern of overlapping feeding relationships or food chains among the various organisms in an ecosystem |
| decomposer | an organism that gets energy by breaking down biotic wastes and dead organisms and returns |
| energy pyramid | a diagram that shows the amount of energy that moves from one feeding level to another in a food web |
| evaporation | The process by which molecules of liquid water absorbs energy and changes to a gas |
| condensation | The process by which a gas changes to liquid |
| precipitation | rain, snow, sleet, or hail |
| nitrogen fixation | The process of changing free nitrogen gas into nitrogen compounds that plants can absorb and use |
| biome | A group of ecosystems with similar climates and organisms |
| climate | The average annual conditions of temps, precipitation, winds, and clouds in an area. |
| desert | A dry region that on an average receives less than 25 centimeters per year |
| rain forest | A forest that at least 2 meters of rain per yer mostly occuring in the tropical wet climate zone |
| emergent layer | The tallest that receives the most sunlight of the rainforest layer |
| canopy | A leafy roof formed by tall trees in a rain forest |
| understory | A layer of shorter trees and vines that grow in the shade of a forest canopy |
| grassland | An area populated mostly by grasses and other nonwoody plants that receives 25 to 75 centimeters of rain per year |
| savanna | A grassland located close to the equator that may include shrubs and small trees and receives as much as 120 centimeters of rain per year |
| deciduous trees | A tree that sheds its leaves durring a particular seasonand grows new ones each year |
| boreal forest | Dense forest of evergreens located in the upper regions of the Northern hemisphere |
| coniferous tree | A tree that produces its seeds in cones and that has a needle shaped leaf coated in a waxy substance that reduces water loss |
| tundra | An extremely cold dry biome climate region characterized by short cool summers and bitterly cold winters |
| permafrost | permanently frozen soil found in the tundra biome climate region |
| neritic zone | the area of the ocean that extends from the low-tide line out to the edge of the continental shelf |
| intertidal zone | An area between the highest high-tide line on land to point on the continental shelf exposed by the lowest low-tide line |
| estuary | A kind of wetland formed where freshwater from rivers mixes with salt water from oceans |
| biogeography | The study of where organisms live and how they got there |
| dispersal | The movement of organisms from one place to another |
| exoitic species | Species that are carried to a new location by people |
| continental drift | A hypothesis that the continents slowly move across the Earth's surface. |
| Hi ____ you're doing great | Abby |
Created by:
arw201198622
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