Term
| the variety of life in an ecosystem |
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Definition
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Term
| The biodiversity of an area is measured by ____________________________________. |
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Definition
| the # of species that live in an area |
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Term
| Biodiversity tends to increase in ________ areas and decrease in _________ areas. |
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Definition
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Term
| People find ______ and ______ in nature. |
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Definition
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Term
| Hundreds of species _____ the human population. |
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Definition
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Term
| _______ improves the food crops. |
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Definition
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Term
| Biodiversity allows for stability in an _________. |
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Definition
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Term
| Can help prevent ________ and reduce the need for _______. |
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Definition
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Term
| Provides people with _____. |
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Definition
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Term
| A species that was once present on earth but has died out |
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Definition
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Term
| a species that is in danger of becoming extinct |
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Definition
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Term
| a species that is likely to become endangered in the near future |
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Definition
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Term
| A major reason why some species become threatned is ______ ______. |
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Definition
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Term
| a species that moves into an ecosystem as a result of human action |
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Definition
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Term
| Biodiversity is affected by population of _____, ______, or ______. |
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Definition
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Term
| study of methods for protectiong biodiversity |
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Definition
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Term
Conservative plans have two goals:
_____________ and ___________ |
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Definition
| 1. protect the species from harm 2.protect the habitat of the species |
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Term
| taking action to bring a damaged habitat to a healthy condition |
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Definition
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Term
| How does the us endangered species act protect species? |
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Definition
| Makes it illegal to kill endangered or threatned species, to harm their habitats, or to build in places that might harm these species |
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