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PowerPoint on The Biosphere, Biomes and Ecosystems $5.92   Add to cart

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PowerPoint on The Biosphere, Biomes and Ecosystems

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This PowerPoint contains 107 slides focussing on the Biosphere, Biomes and Ecosystems. It is great for studying, revision and exam prep or just that Bio test coming up next week. I would recommend this for grade 10 and 11 but if you are a brave grade 9, why not? It is on the IEB standards of educa...

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  • November 17, 2022
  • 107
  • 2022/2023
  • Presentation
  • Unknown
  • 200
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THE BIOSPHERE, BIOMES, ECOSYSTEMS
& ANIMAL RELATIONSHIPS

, Definitions
• Ecology = study of the Earth & the interaction of organisms
with their physical environment & with one another (‘oikos’ =
our home)
• Biosphere = all parts of Earth where living things exist
(atmosphere, lithosphere, hydrosphere)
• Biodiversity = diversity of life on Earth or in a particular area
• Abiotic = non-living elements of an environment
• Biotic = living elements of an environment
• Ecosystem = all living organisms interacting with their non-
living environment in a particular area
• Sustainable practice = a practice maintained over time not
causing damage or depletion

, Biosphere
• Atmosphere = thin layer of air around the
Earth (incl. troposphere; stratosphere)
• Hydrosphere = all forms of water on or around
Earth
• Lithosphere = crust (nutrients) & upper mantle
(fossil fuels & minerals)

, Biosphere



Terrestrial biomes Aquatic biomes Atmospheric biomes



Ecosystems



Community



Population (species)



Organism

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