Earth 38

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Land and Life

Terrestrial refers to things related to land or the planet Earth. Six primary terrestrial ecosystems exist: tundra, taiga, temperate deciduous forest, tropical rain forest, grassland and desert. Terrestrial ecosystems are distinguished from aquatic ecosystems by the lower availability of water and the importance of water as a limiting factor. Terrestrial ecosystems differ from aquatic ecosystems in a number of other ways too – including greater temperature fluctuations, the availability of sunlight, and availability of gases (air). Terrestrial life is characterized by a community of organisms and their environment that occurs on the land masses of continents and islands. Generally continents are identified by convention rather than any strict criteria – seven regions are commonly regarded as continents.  An island is any piece of sub-continental land that is surrounded by water. Earth science overlaps with ecology and life science in understanding the symbiosis between land and life.

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Compare Contrast and Debate

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  • Position A: type position A here ….
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Special Notes and Notices

Instructor Emphasis:

  • Science & Engineering Practice: Analyze and interpret data.
  • Cross-Cutting Concept: Stability and Change.

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