Term
| When people are involved with changing the gene frequency of an organism it is called... |
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Definition
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Term
| When usable nitrogen compounds are biologically changed to nitrogen gas... |
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Definition
| Nitrogen fixation has occurred. |
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Term
| Nitrogen Fixation involves... |
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Definition
Bacteria and Plants
(not wetlands) |
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Term
| A species with a narrow niche is a... |
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Definition
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Term
| Two species are prevented from having the same niche at the same time by... |
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Definition
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Term
| Which are biological portions of the Carbon Cycle... |
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Definition
| Photosynthesis and Cellular Respiration |
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Term
| Cultural Control may include... |
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Definition
| planting at the right time, planting th right crops next to each other, using a hoe |
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Term
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Definition
| Is a type of evaporation and is a biological part of the hydrological cycle. |
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Term
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Definition
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Term
| A species that is a sign of change in an environment is a... |
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Definition
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Term
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Definition
| Non-living, include sunlight and water, and may interact with each other |
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Term
| Why are natural disasters good... |
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Definition
| they are good for ecology and the environment. |
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Term
| A scientific theory is... |
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Definition
| is supported by hypothesis testing and an accepted explanation |
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Term
| Reducing the productivity of land is known as... |
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Definition
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Term
| The movement of Earth's crust is called... |
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Definition
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Term
| High quality matter is... |
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Definition
| Easy to obtain, concentrated, and organized |
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Term
| California Agriculture feeds... |
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Definition
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Term
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Definition
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Term
| Knowledge gained through the scientific method is... |
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Definition
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Term
| What is the greatest environmental tragedy of the 21st century? |
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Definition
| The destruction of the Amazon Rainforrest |
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Term
| In wealthy conutries the largest input into commerical agriculture is... |
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Definition
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Term
| The single greatest cause of environmental problems facing humans is... |
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Definition
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Term
| The smallest unit of an element is an... |
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Definition
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Term
| Which may be the result of the movement of Earth's crust? |
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Definition
Mountain Ranges
Seperate Continents
(not crespundium layers) |
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Term
| What is the difference between Catastophic an Gradual things people can do to the eco-system? |
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Definition
Catastrophic= Things that can happen fast
Gradual= Things that happen slower, but can still be just as bad |
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Term
| What are some examples of Catastrophic events? |
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Definition
| Floods, Fires, Landslides, Volcanic activity, Earthquakes, Hurricanes, Deforrestation, overgrazing |
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Term
What are some examples of gradual events?
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Definition
| Immigration, Emmigration, Urbanization, Salt Build Up from irrigation, Ait Pollution |
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Term
| What is a Wildlife Refuge? |
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Definition
| It is an area that is managed by fed, state, and private groups and managed to promote game species. |
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Term
What's the difference between Nat'l. Forrests and Nat'l. Parks?
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Definition
National Parks are protected.
National Forrests can still be used for hunting or mining. |
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Term
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Definition
| Terrestial region characterized or defined by vegetaion type. |
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Term
| What are the 3 types of Biomes? |
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Definition
| Desserts, Grasslands, and Forrests. |
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Term
| What are the characteristics of Desserts? |
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Definition
Evaporation exceeds perspiration.
10 inches of rain or less annually.
There can be tropical, temperate, or cold desserts. |
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Term
| What are the characteristics of Grasslands? |
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Definition
Get enough perspiration for grasses and trees.
Maintained by seasonal drought, grazing, and fires.
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