EP Ch 8
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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| Coevolution | 2 species develop adaptations to increase the benefit of the relationship
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| Population | all of one species in an area
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| Density | number of individuals per unit area
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| Dispersion | random(spread out), clumped, even
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| Symbiosis | close relationship between two organisms
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| Parasitism | one organism benefits, the other is harmed, usually not killed
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| Commensulism | one organism benefits the other is unaffected
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| Mutualism | both organisms benefit
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| Predator / prey | example, predator kills prey
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| Niche | roles and organism plays, includes home, interactions, and environmental factors
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| Density independent deaths | deaths not effected by how close together organisms are, ex: weather related deaths
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| Density dependent deaths | deaths effected by closeness of organisms, ex: disease
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| Reproductive potential | maximum number of offspring a species produces, high potential=numbers increase rapidly, effected most by earlier reproductive age
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| Exponential growth | population increases rapidly, ex:
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| Carrying capacity | determined by most limited resources, maximum population an ecosystem can support
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| Habitat | where an organism lives
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| Competition | both organisms are harmed, does not occur between different ecosystems
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| Generation time | average age at which a species reproduces
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| Limiting resource | resource in lowest supply
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| Niche restriction | using only part of available resources
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| Population growth | birth rate minus death rate
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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.
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.
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:
evroman
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