Ecosystems and the biosphere

OpenStax

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Energy flow through ecosystems

1 Ecology of ecosystems

2 Ecosystems and disturbance

3 Food chains and food webs

4 How organisms acquire energy in a food web

5 Consequences of food webs: biological magnification

6 Section summary

Biogeochemical cycles

1 The water cycle

2 The carbon cycle

3 The biological carbon cycle

4 The biogeochemical carbon cycle

5 The nitrogen cycle

6 The phosphorus cycle

7 The sulfur cycle

8 Section summary

9 Art connections

Terrestrial biomes

1 Tropical forest

5 Temperate grasslands

6 Temperate forests

7 Boreal forests

8 Arctic tundra

9 Section summary

Aquatic and marine biomes

1 Marine biomes

4 Estuaries: where the ocean meets fresh water

5 Freshwater biomes

6 Lakes and ponds

7 Rivers and streams

9 Section summary

10 Art connections

Source: OpenStax, Concepts of biology. OpenStax CNX. Feb 29, 2016 Download for free at http://cnx.org/content/col11487/1.9

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