Science_9_files/Science 9 - Lesson 8

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Note Package 1 – Review of Section 1.0
Name: ____________________________
Section 1 - Biological Diversity and Survival
Why do zebras have stripes?
Why should biological diversity be preserved? (Give two Reasons)
State for the next couple slides if that picture represents Variation among Species or
Variation within Species.
a) The Differences among Cats?
b) The differences among the People?
c) The differences among the Kittens?
d) The difference between a Robin and a Sparrow?
Define:
Species:
Specification:
Taxonomy: The classification of living thing, so that they can be ordered and related to
similar species.
Kingdom – Phyla – Class – Order – Family – Genus – Species
Why do you think the scientific classification of a species my sometimes change?
Diversity and Survival:
Define:
Structural Adaptation:
Behavioural Adaptation:
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Note Package 1 – Review of Section 1.0
Name: ____________________________
Classify each of the following as either a Structural Adaptation or a Behavior
Adaptation:
a) An owl can turn it’s head almost 180o in either direction: ______________________
b) An owl’s feathers are soft and fluffy to allow for silent flight:
______________________
c) Owls are usually active at night: _______________________
Define:
Diversity Index:
How can humans lower the diversity index?
Why is it important for individuals of a species to vary in their characteristics?
Habitat and Lifestyle
Define:
Habitat:
Niche:
Broad niche:
Narrow niche:
If two species occupy a similar niche, how can competition between species be reduced
or avoided?
How can competition affect the diversity of species that live in an area?
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Note Package 1 – Review of Section 1.0
Name: ____________________________
Why is it dangerous for an organism to have a narrow niche?
What factors contribute to the development of a broad niche?
What are the three type of symbiosis? Give an example of each.
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