chapters 2-3
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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Natural Resources | Anything in the environment that is used by humans
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Renewable Resources | always available or replaced bin a relitavely short time frame
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nonrenewable resources | natural resources that are not replaced in a useful time frame
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pollution | the contamination of earths land, water, and air ecosystems
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environmental science | the study of natural processes in the environment and how people affect them
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Clear cutting | the process of cutting down all the trees in an area at once
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selective cutting | cutting down only some trees in a forest and leaving a mix of tree sizes and species behind
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biodiversity | the number of differant species in an an area
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keystone species | a species that influences the survival of many other species in an ecosystem
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gene | the structure of an organisms cells that carry its herenditry infromation
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extinction | the disappearance of all members of a species on earth
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endangered species | a species in danger of becoming extinct in the near future
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threatened species | a species in danger of becoming endangered in the near future
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habitat destruction | the loss of natural habitat
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habitat fragmentation | breaking larger habitats into smaller pieces or fragments
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poaching | the illegal killing or removal of wildlife from their habitat
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captive breeding | the mating of animals in zoos or wildlife preserves
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sustainable yield | an amount of a renewable rescource that can be harvested regularly without reducing the future supply
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fishery | an area with a large population of valuable resources
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aquaculture | the practice of raising fish and other water dwelling organisms for food
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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:
nkellogg
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