Populations and Communities
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 enviroment that provides the things for an organism to live
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biotic factor | a living part of an organisms habitat
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photosynthesis | the process in which an organism uses water along with sunlight and carbon dioxide
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abiotic factors | nonliving part of an organisms habitat
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species | a group of organisms that are physically similar and can mate
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population | all the members of one species in a particular area
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community | all the different populations that live together
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ecosystem | the community of organisms that live in an area
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ecology | the study of how living things interact with each other and their environment
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estimate | an approximation of a number based on reasonable assumptions
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birth rate | the number of births in a population
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death rate | the number of deaths in a population
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immigration | moving into a population
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emigration | leaving a population
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population density | the number of individuals in an area of specific size
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natural selection | individuals whose unique characteristics are best suited for their environment tend to survive and produce offspring
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adaptions | the behaviors and physical characteristics that allow organisms to live successfully in their environment
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niche | the type of food the organism eats , how it obtains this food, sandwich other organism as food
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competition | the struggle between organisms to survive as they attempt to use the same limited resource
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predator | the organism that does the killing
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predation | an interaction in which one organism kills another
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prey | the organism that is killed
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symboisis | a close relationship between two species that benifits at least one of the species
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mutalism | a relationship in which both species benifit
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commensalism | a relationship in wich one species benifits and the other species is neither harmed nor helped
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parasitism | 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 that it lives on or is in
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succesion | the series of predictable changes that occur in a community over time
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primary succesion | the series of changes that occur in in an area where no soil or organisms exist
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pioneer species | the first species to populate an area
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secondary succesion | the series of changes that occur in an area where the ecosystem has been disturbed but soil and organisms still exist
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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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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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Created by:
isbrennan
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