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62 Cards in this Set
- Front
- Back
- 3rd side (hint)
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Species
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most specific level
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last level
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Population
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whole number of organisms occupying one area
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many organisms
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Community
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An interacting population of verious individuals
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Ecosystem
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the study of relationships between organisms and the living and nonliving factors in the environment
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Biome
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geographic/climatic region and the large community that lives there
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Biosphere
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the portion of earth that supports life
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Abiotic
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a non lving thing
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example: water, sun
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Biotic
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a living thing
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example: humans, plants, animals
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Herbivore
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a plant eating organism
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Carnivore
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a meat eating organism
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Omnivore
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a plant & meat eating prganism
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Decomposer
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an organism that breaks down dead organisms
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Predator
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moves energy through web, predator consumes prey
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Scavenger
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Organism that SEEKS out dead or dedcaying organisms for food
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food web
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a relatinship among organisms i which eah is linked to another that eats, absorbs, or decomposes
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Predator-Prey
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order in which things are eaten
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Commensalism
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one species benefits and the other neither benefits or is harmed
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Mutalism
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both species mutually benefits two species
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Parasitism
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the parasite benefits at the expense of the host, a good parasite never kills host because than it would have to find another host
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Name the three symbiotic relationships
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Commensalism, mutalism, parasitism
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Autotroph
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scientific term referring to any organisms that makes its own food
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Heterotroph
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the scientific term for any organisms that feeds on other organisms
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Succession
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general term meaning a gradual change in community over time
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True or false -> no relationship exists between lving things and the nonliving environment
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false
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True or false -> Minerals are abiotic factors i the environment
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true
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True or false -> Typical biotic factors in a pond include plants, bacteria, and fish
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True
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true or false -> Organisms do not interact with their environment
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False
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True or false -> Heterotrophs re a;sp known as producers
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False
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grass --> rabbits --> hawks is an examaple of ...
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A food chain
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Succession
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a gradueal change in the structure of a community over time
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Nutrients
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chemical substances that an organism requires to live
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ONly 10% of heat of the nergy stored in an organism can be be passed to the next tophic level - of the remaianing energy some is used for its life procces and the rest is WHAT?
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lost as heat
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the toal portion of the earth that supports life is called ....
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biospehere
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predation
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interaction where an organism captures and feeds on another organism
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Host
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larger participant ina symbiont relationship
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what is successulf parasite?
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one that harms the host anad doesn't kill it
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what are the two conditions for a self-sustaining ecosystem
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needs a relative source of energu and inorgainc & organis nutrients being recycled
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what is the difference between chemical energy and free energy
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Chemical energy stored in the orgainc molecules which organisms are made & free energy is theportion of energy during a chemical reaction that us able to do work
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Habitat
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places where specific organisms live
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What si the sourceo f energy for a autotroph, heterotroph?
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autotroph-sun or inorganic chemicals, heterotoph-chemical energy in food
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what is the biggest difference between nonliving and living organisms
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a nonliving thing does'nt rekease energy when converting chemical energy
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Entropy
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measure of the degree of disorganization of a system
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what happens when an organism adapts to a new enviro
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it gets excluded from another
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trophic Structure
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of a community is a description of feeding or nutritional relationships among organisms in the community
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true or false --> Producers ssuch as plants make up the trophic level that supports the sustem
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true
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energy Pyramid
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a represntation of the tophic structure of an ecosystem i nwhich a decrease in the area at each level of the diagram illustrates the loss of energy available to those organisms living in that trophic levels
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10 percent rule
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each level recieves one tenth of the energy level below it
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wjen two species consume the same resource ...
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they compete with each other
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NIche
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particular combinations of resources that a species is adapted to exploit
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Organisms absorb and release WHAT?
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nitrogen, oxygen, and carbon
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Carbon Cycle
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carbon fiaxtion and cell repiration move through the biosphere
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what are the 3 elements in the carbon cycle?
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carbon, oxygen, and hydrogen
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water cycle
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water returns through transpiration, cell respiration , and evaporation
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Nitrogen Cycle
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prokaryotes convert nitrogen in the atmosphere to amonia through nitrogen fixation
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Boundaries of biomes are usually indestinct because...
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changes in climate form place to place are gradual
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what determines where a biome is
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climate, temperature, precipitation,altitdue, latitdue
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Terrestrial biome
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living onor growing from land or relating to terrestiral organisms
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Aquatic bioiime
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growing or living in water
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What is a limiting factor ina aquatic biome?
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the amountof light it gets
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Primary succession
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begins on bare rock, glacier deposits, or ina lake bed
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Secondary succession
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takes place on a disturbed site where soil is present
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Climax Community
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when a web of interaction is so interaction is so intricate no other species can fit unless another disappears
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