unit 1: interactions within ecosystems chapter 1: ecosystems slide show #1
TRANSCRIPT
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Unit 1: Interactions Within Ecosystems
Chapter 1: Ecosystems
Slide Show #1
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Getting Started… (p.4)
• Close your eyes and imagine that you are standing in a forest.
• Now, list at least 5 things that you “see”.
• Next, describe the local conditions (eg. land features, temperature, etc.) of your forest setting.
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Getting Started (con’t)
We will know identify those parts of your ecosystem as Living or Non-Living.
• How would you define a living thing?• A living thing is something that shows or has
shown the signs of life. That is, anything that is either alive or dead is classified as a living thing.
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Getting Started (con’t)
• From your thought web, what signs of life do all of the living things have in common?• All living things:
• Grow• Reproduce• Move• Take in or produce food• React to things in their environment• Have cells• Have a special chemical make-up
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Getting Started (con’t)
• How would you define a non-living thing?• A non-living thing is something that will never show
the signs of life.• Examples:
• What is the difference between a rock and a dead rabbit ?• A rock NEVER showed the signs of life and never will.
A dead rabbit, however, was once alive and therefore showed the signs of life.
• To distinguish between these, scientists classify living things as either dead or alive. So, the dead rabbit is actually a living thing!
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Getting Started (con’t)
• From your forest list, classify each thing as either living (L) or non-living (NL). Share your results with the class.
Living Non-Living
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Using your forest lists, describe how the living things interact with each other, the non-living things, and the local conditions. An example is done for you.
Living vs. Living Living vs. Non-living
Living vs.
Local Conditions
A bird builds a nest in a tree.
A bird perches on a rock.
Some birds fly south in the winter (too cold).
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Getting Started (con’t)
• What we have described is a forest ecosystem.
• an ecosystem is a group of interacting living and nonliving things.
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Section 1.1: Types of Ecosystems
• Read pages 8-9 in your text.• An organism is…
• any living thing.• Example:
• Adaptations are…• Inherited characteristics that help organisms survive
in their environment.• Example:
• An habitat is..• The particular place that an organism lives.• Example:
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Types of Ecosystems (con’t)Abiotic and Biotic Parts of the Environment (p.8)
• Biotic Factors are…• The living parts of an organism’s environment.• Example:
• Abiotic Factors are…• The non-living parts of an organism’s
environment.• Example:
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Types of Ecosystems (con’t)Abiotic and Biotic Parts of the Environment (p.8)
• Identify the biotic and abiotic parts of this pond ecosystem.
Biotic Abiotic
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Types of Ecosystems (con’t)Studying Ecosystems (p.9)
• An ecosystem is not defined by its geographic size; they can be very small (e.g., a rotting log) or very massive (e.g., Atlantic Ocean).
• Therefore, there are many, many different ecosystems throughout the province, country and world.
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Types of Ecosystems
Examples of ecosystems within Newfoundland and Labrador. Include:
(i) ocean and coastline
(ii) forest
(iii) freshwater
(iv) arctic
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Types of Ecosystems
Identify Flora and Fauna that you might find in each type of ecosystem
Ocean and CoastlineFlora Fauna
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Types of Ecosystems (con’t)Ocean ecosystems
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Types of Ecosystems (con’t)Coastline Ecosystems
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Types of Ecosystems
Identify Flora and Fauna that you might find in each type of ecosystem
ForestFlora Fauna
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Types of Ecosystems (con’t)Forest Ecosystems
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Types of Ecosystems
Identify Flora and Fauna that you might find in each type of ecosystem
FreshwaterFlora Fauna
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Types of Ecosystems (con’t)Fresh Water
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Types of Ecosystems
Identify Flora and Fauna that you might find in each type of ecosystem
ArcticFlora Fauna
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Types of Ecosystems (con’t)Artic Ecosystems
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Types of Ecosystems (con’t)Ecosystems in Atlantic Canada (p.10-12)
• Complete the “Reading Check” on p.12.• Assignment #1A:
• Complete the “Check Your Understanding” questions #1, 2, 3, 8, 10 on p.15.
• Please complete these questions on loose leaf as it must be passed in.
• Due date will be assigned and posted on our science website.