Examlex
Seeds
Embryonic plants enclosed in protective outer coverings, capable of developing into a new plant under the right conditions of water, oxygen, and suitable temperature.
Permafrost
Permanently frozen layer of soil and rock occurring beneath the Earth's surface.
Biome
A large naturally occurring community of flora and fauna occupying a major habitat, e.g., forest or tundra.
Arctic Circle
The most northerly of the five major circles of latitude that mark maps of the Earth, defining the boundary of the Arctic region.
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