chapter ten environment
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| organism | a living thing
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| habitat | an environment that provides the things the organism needs to live, grow,and reproduce.
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| biotic factors | the living parts of a habitat
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| abiotic factors | the nonliving parts of an organisms habitat.
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| photosynthesis | when plants and algae need water along with sunlight and carbon dioxide to make their own food in a process
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| species | a group of organisms that are physically similar and can mate with eachother and produce offspring that also mate and reproduce
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| population | all the members of one spiecies in a particular area.
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| community | all the different populations that live together in an area
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| ecosystem | the community of organisms that live in a particular area,along with their nonliving surroundings
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| ecology | the study of how living things interact with eachother and with their environment
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| birth rate | the number of births in a population in a certain amount of time.
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| death rate | the number of deaths in a population in a certain amount of time.
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| immigration | moving into a population
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| emigration | leaving a population
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| limiting factor | an environmental factor that causes a population to stop growing.
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| limiting factors | some limiting factors for populations are food and water,space,light soil compositions,and weather conditions.
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| carrying capacity | the largest population that an area can support.
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| energy roles | each of the organisms in an ecosystem fills the energy role of producer,consumer,or decomposer.
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| producer | an organism that can make it own food
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| consumer | an organism that obtains energy by feeding on other organisms.for example herbivores, carnivores,omnivores,and a scavenger
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| herbivore | consumer that eats only plants
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| carnivore | eat only other animals
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| omnivores | eats both plants and animals
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| scavenger | a carnivore that feeds on the bodies of dead organisms
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| decomposers | breaks down wastes and dead organisms and return the raw materials to the ecosystem.
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| food chain | a series of events in which one organism eats another and obtains energy
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| food web | consists of the many overlapping food chains in an ecosystem
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| energy pyramid | shows the amount of energy that moves from one feeding level to another in a food web.
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| natural selection | a charactoristic that makes an indevidual better suited to its environment may eventualy become common in that speices
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| adaptations | the behaviors and physical charactoristics that allow organisms to live sucessfully in their environment
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| niche | the role of an organism in its habitat, or how it makes its living
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| competition | the struggle between organisms to survive as they attempt to use the same limited resource
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| predation | an interaction in which one organism kills another for food
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| preditor | the organism that does the killing
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| prey | the organism that gets killed
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| symbiosis | a close relationship between two speices that benefits at least one of the speices
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| mutualism | a relationship in which both speices benefit
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| commensalism | a relationship in which one speices benefits and the other species is neither helped nor harmed
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| parasitism | involves one organism living on or inside another organism and harming it
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| parasite | the organism that benifits
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| host | the organism it lives on or in
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Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
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If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
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