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Biomes in the World

Across
Forests and grasslands are generally found in these zones
The ____ zone is centered around the equator
A biome that has is consistently cold and has a short growing season is the ____ tundra
Forests that are considered "evergreen" with thin needle-like leaves
A major work by the "father of ecology" which described the whole word from all scientific viewpoints
An area that is very dry
Trees that lose leaves
This zone is between the Tropic of Cancer and the Arctic Circle
The first plants to move into an area after a change
A final, stable ecosystem is called the ____ ecosystem
Down
The earth is divided into _____ zones
The process in which it is believed that a species changes over time
The transitional area between two ecosystems
This happens when conditions in the ecosystem change
A German ecologist who explored South America
Many ecosystems create a ____
The zone that is found in the Antarctic region
Regions that are found north of the Arctic Circle, or south of the Antarctic Circle
Temperatures in the polar regions are ____