1 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
2 a long period of time with little to no rainfall
3 a biome characterized by extremely dry conditions, usually sandy with little to no vegetation
4 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
5 a large environmental area characterized by similar vegetation, temperature, or other environmental characteristics
6 one of the most biologically diverse biomes, characterized by standing water such as marshes, bogs, and swamps; high precipitation; and usually humid conditions
7 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
8 the ability of an organism to change in response to its environmental surroundings in order to survive
9 the struggle between the organisms of an ecosystem to obtain the resources needed for survival
10 the largest body of water on earth covering more than 70% of the surface with a salt content of 3% or greater
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11. the coldest biome on earth, characterized by no trees, a layer of permafrost under the top layer of soil, and low precipitation
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