comparing ecosystems terrestrial vs. aquatic ecosystems lesson 38
TRANSCRIPT
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Comparing EcosystemsTerrestrial vs. Aquatic
EcosystemsLesson 38
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The plants and animals that are found in a particular location are
referred to as an ecosystem. These plants and animals depend
on each other to survive.
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An ecosystem refers to the interrelation of biotic and abiotic
factors.
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What does biotic and abiotic mean?
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In simpler terms, an ecosystem is an entity where living organisms
interact with the physical environment.
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It is an area where physical objects (such as soil, rock, water) function together with plants and
animals.
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https://www.youtube.com/watch?v=y-wpbhnom70
Let’s watch this video about the biotic and abiotic factors.
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http://www.youtube.com/watch?v=E1pp_7-yTN4
Let’s watch another video about the biotic and abiotic factors.
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As geographers study the many ecosystems around the world, many similarities or patterns
become evident from one ecosystem to another.
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This allows scientists to group ecosystems into categories.
Ecosystems can be categorized into two major types: aquatic
ecosystems and terrestrial ecosystems.
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The key to the meaning of terrestrial ecosystems lies in the
word “terrestrial”, which generally means anything occurring on land.
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Terrestrial ecosystem refers to the interaction
between living organisms and
non-living objects occurring on land masses of islands and
continents.
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Terrestrial ecosystems, or land-based ecosystems include forests,
grasslands, tundra, deserts.
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http://www.youtube.com/watch?v=RFEV-hiP2gQ
Let’s watch a video about terrestrial ecosystems.
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In this unit we will learn about three terrestrial ecosystems: the
deciduous forests, the rain forests and the grasslands.
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Aquatic ecosystems generally refer to interaction of living and
non-living entities in lakes, streams, marshes and ponds.
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Aquatic ecosystems, or water-based ecosystems may be fresh water (lakes and ponds) or saltwater (oceans, estuaries and saltwater marshes).
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In this unit we will learn about ecosystems in lakes (freshwater)
and oceans (salt water).
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http://www.youtube.com/watch?v=kL-9TB4qAho
Let’s watch a video about aquatic ecosystems.
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Let’s review what we have learned
about ecosystems. Answer the attached
questions on the worksheet entitled
L#38 Comparing Ecosystems.
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In our next lesson we will learn about the deciduous
forests
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Good Job Today!
And remember to….
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See you next time!