There are 4 sections in ch.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 resource | Anything in the environment that is used by people
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| Renewable Resources | A resource that is either always available or are naturally replaced in a relatively short time
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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 Earth's land,water,or air
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| Environmental Science | The study of natural proceses in the environment and how humans can 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 specis behind
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| Sustainable Yield | An amount of renewable resource that can be harvested reglarly without reducing the future supply
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| Fishery | An are with a large population of valuable ocean organisms
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| Aquaculture | The practice of raising fish and water-dwelling organisms for food
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| Biodiversity | The number of different species in 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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| Genes | A structure in an organisms cells that carries its hereditary information
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| Extinction | The disappearance of all members of a species from 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 that could become endangered in the near future
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| Habitat Destruction | The loss of a natural habitat
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| Habitat Fragmentation | The breaking of a habitat into smaller isolated pieces
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| Poaching | Illegal killing or removal of wildlife from their habitats
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| Taxol | A chemical in Pacific yew tree bark that has cancer fighting properties
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| Captive Breeding | The mating of animals in zoos or wildlife preserves
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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:
levans
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