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The biosphere is an ecological system composed of individuals, populations, communities, and ecosystems.
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![[Source]](attachment:f99e3681-d116-4975-ace6-240d83c2a557:SpheresDef.png)
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A population is a group of organisms of the same species living in the same area at the same time, and which are capable of interbreeding.
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![[Source]](attachment:37cdd0e2-5164-4988-9597-3447dd41a34e:humpback_dps_map.jpg)
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This map shows the locations of the 14 distinct population segments of humpback whales worldwide.
![[Source]](attachment:865bfd61-b9cf-4833-9673-afb0fca66c0c:elephant-of-the-world-1024x520.jpg)
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![[Source]](attachment:f4ab8a28-dd2a-4061-8069-e3cdf0b5ba78:Elephant-comparison-1024x614.jpg)
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