Competition/Environmental Changes 8th Grade
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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| ecosystem | a system composed of all the biotic and abiotic factors in an area and all the interactions among them (Great Plains grasslands)
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| abiotic factors | factors that are neither living nor produced by living things
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| biotic factors | factors that are living or produced by living things
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| intraspecies competition | more than one individual in an ecosystem relies upon the same limited resources (several squirrels in one pecan tree)
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| interspecies competition | more than one population in an ecosystem relies upon the same limited resources (squirrels and birds in the same tree)
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| biome | a large region of the world that has similar organisms, which are adapted to the terrain and climate of that region (grassland)
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| long-term environmental change | environmental change that occurs slowly over time and affects organisms over generations (temperature change)
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| short-term environmental change | an environmental change that happens quickly but does not last a long time (storm)
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| extinct | the permanent disappearance of a species from Earth
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| adaptation | a process by which a population becomes better suited to its environment by increasing the frequencies of gene alleles that provide benefits to survival and reproduction
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| pollutants | harmful substances that contaminate a natural environment
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| climate | average weather conditions for a large region over many years
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| behavioral adaptation | responses made by an organism that help it to survive/reproduce (nesting behaviors)
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| physiological adaptation | a body process that helps an organism to survive/reproduce (e.g. hibernation)
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| structural adaptation | a feature of an organism’s body that helps it to survive/reproduce
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| competition | more than one individual or population in an ecosystem relies upon the same limited resources
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| weather | the condition of the atmosphere at a specific place and time
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| volcano | an environmental change that has both short-term and long-term effects
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| natural disaster | an event caused by nature that has a detrimental (harmful) effect on ecosystems/habitats
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| habitat | the place in the ecosystem where a species needs to live (birds make nests in trees)
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| niche | the role or job of a species within its ecosystem
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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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