| 1. the ability of an organism to change in response to its environmental surroundings in order to survive |
| A) tundra B) savanna C) drought D) adaptation |
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| 2. a large environmental area characterized by similar vegetation, temperature, or other environmental characteristics |
| A) adaptation B) equator C) savanna D) biome |
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| 3. the natural, continuous cover provided by the branches and leaves of trees blocking out sunshine to ground level plants |
| A) desert B) rainforest C) permafrost D) canopy |
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| 4. the struggle between the organisms of an ecosystem to obtain the resources needed for survival |
| A) rainforest B) competition C) biome D) tundra |
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| 5. a biome characterized by extremely dry conditions, usually sandy with little to no vegetation |
| A) biome B) permafrost C) desert D) rainforest |
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| 6. a long period of time with little to no rainfall |
| A) desert B) ocean C) adaptation D) drought |
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| 7. the line that divides the earth into two equal parts, the northern hemisphere and southern hemisphere, and over the course of a year receives the most amount of heat from the sun causing seasonal changes in weather to be less dramatic and almost non-exist |
| A) competition B) rainforest C) canopy D) equator |
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| 8. the most widespread land-based biome on earth that contains mostly grass like vegetation with few to no trees, experiences seasonal changes in weather, and receives average amounts of rainfall |
| A) desert B) grassland C) tundra D) permafrost |
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| 9. the largest body of water on earth covering more than 70% of the surface with a salt content of 3% or greater |
| A) precipitation B) competition C) rainforest D) ocean |
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| 10. a term used to describe land or soil that is permanently frozen thus unable to support vegetation growth |
| A) biome B) precipitation C) permafrost D) rainforest |
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| 11. the term used to refer to moisture that falls to the earth's surface in the form of rain, snow, or sleet |
| A) tundra B) adaptation C) savanna D) precipitation |
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| 12. a biome characterized by dense tree growth with a thick, multilayered canopy, high amounts of precipitation, and an average temperature of 77 degrees Fahrenheit that doesn't vary more than about 5 degrees all year |
| A) competition B) precipitation C) rainforest D) savanna |
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| 13. one of the sub-categories of the grassland biome characterized by a wet and dry season with moderate to significant tree growth but where the trees are too sparse to form a canopy |
| A) tundra B) canopy C) savanna D) competition |
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| 14. the coldest biome on earth, characterized by no trees, a layer of permafrost under the top layer of soil, and low precipitation |
| A) desert B) grassland C) drought D) tundra |
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| 15. one of the most biologically diverse biomes, characterized by standing water such as marshes, bogs, and swamps; high precipitation; and usually humid conditions |
| A) canopy B) grassland C) wetlands D) savanna |
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