Term
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Definition
animals that eat meat only(other animals)
examples: owl and lion |
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animals that only eat plants
exaples: cow and deer |
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Term
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Definition
| animals that eat both meat(other animals) and plants |
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Term
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Definition
more complex than a food chain.
links all the food chains in an ecosystem together. |
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Term
| how energy flows in a ecosystem? |
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Definition
energy flows in one direction.
example: sun> grass> cow. |
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Definition
| a living thing that makes their own food. |
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Definition
| organisms get energy from other organisms. |
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Definition
| largest of all of "nature houses" |
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Term
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Definition
| the part of earththat contains all ecosysytems |
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Term
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Definition
| community and its nonliving surroundings |
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Definition
| the day-to-day condition of earth's atmosphere at a particular time and place. |
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Definition
| the year-to-year condition of temperature and precipitation in a particular region. |
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Definition
| the natural situation in which haet is retained by this layer of greenhouse gases. |
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Definition
| cold areas where the sun's rays strike earth at very low angle. |
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Definition
| zone tha site between the polar zones and the tropics. |
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Term
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Definition
| is near the equator, between 23.5 north and 23.5 south latiudes. |
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Definition
| the biological influences on organisms within an ecosystem. |
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Term
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Definition
| physical, or nonliving, factors that shape ecosystems. |
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Term
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Definition
| the area where an organism lives |
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Definition
| the full range of physical and biological conditions in which an organism lives and the way in which the organism uses those conditions. |
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Definition
| refers to any necessity of life, such as water, nutrients, light, food, or space. |
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Term
| competitive exclusion principle |
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Definition
| state that no two species can occupy the same niche in the same habitat at the same time. |
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Term
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Definition
| an interaction in which one organism captures and feeds on another organism |
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Term
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Definition
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Definition
| both species benifit from the relationship. |
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Term
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Definition
| one member of the association benefits and the other is nither helped nor harmed. |
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Term
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Definition
| one organism lives on or inside another organism and harms it. |
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Term
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Definition
| series of predictable changes that occurs in a commmunity over time. |
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Term
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Definition
| succession that occurs on surfaces where no soil exists |
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Term
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Definition
| the first species topopulate the area |
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Term
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Definition
| ability to survive an reproduce under conditions that differ from their optimal conditions. |
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Term
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Definition
| the climate in a small area that differs from the climate around it |
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Term
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Definition
| the leafy tops of tall trees-extending from 50 to 80 meters above the forest floor-form a dense covering |
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Term
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Definition
| a second layer of shorter trees and vines |
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Term
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Definition
| a tree that sheds its leaves during a particular season each year. |
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Term
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Definition
| terms used to refer to trees that produce seed-bearing cones and have this leaves shape like needles |
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Term
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Definition
| a material formed from decaying leaves and other organic matter that mekes the soil fertile. |
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Term
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Definition
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Definition
| a layer of permanently frozen subsoil |
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Definition
| a general term for the tiny, free-floating organisms that live in both freshwater and saltwater enviroments. |
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Definition
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Definition
| are supported by nutrients in the water and form the base of aquatic food webs. |
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Term
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Definition
| an ecsystem in which water either covers the soil or is present at or near the surface of the soil for at least part of the year. |
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Term
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Definition
| wetlands formed where rivers meet the sea |
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Term
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Definition
| made up of tiny pieces of organic material that provide food for organisms at the base of the estuary's food web. |
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Term
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Definition
| temperae-zone esturies dominated by salt-tolerant grasses above the low-tide line, and by seagrasses under water |
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Term
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Definition
| coastal wetlamds that are widespread acorss tropical regions, including south florida and hawaii. |
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Term
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Definition
| photosynthesis is lkimited to this well-lit upper layer |
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Term
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Definition
| which is permanently dark. |
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Term
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Definition
| the prominent horizontal banding of organisms that live in a particular habitad. |
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Definition
| named for their domain organism |
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Term
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Definition
| named for the coral animals whose hard, calcium carbonate skeletons make up their primary structure |
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Definition
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Definition
| these new crops were often grow using a practice. |
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Term
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Definition
| the development of highly productive crop strains and the use of modern agricultural techniques to incress yield of food crops. |
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Term
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Definition
| can regenerate if they are alive or can be replenished by biochemical cycles if they are nonliving. |
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Term
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Definition
| is one that cannot be replenished by natural processes. |
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Term
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Definition
| is a way of using natural resources without depleting them and of providing for human needs without causing longterm enviromental harm. |
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Term
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Definition
| the wearing away of surface soil by water and wind. |
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Term
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Definition
| in areas with dry climates, a process caused by a combination of poor farming practies, overgrazing, and drought that turns productive land into desert. |
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Definition
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Term
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Definition
| is also helping to sustain fish resources. |
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Term
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Definition
| mixture of chemicals that occurs as a gray-brown haze in the atmosphere. |
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