teaching biodiversity in k-to-12 science curriculum
TRANSCRIPT
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BIODIVERSITY:Extinction and
Measuring Population Density
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OBJECTIVES:1. Identify the causes of extinction and explain how it is done.
2. Determine the pattern of population distribution using mathematical formula.
3. Compare the distribution patterns of the different populations.
4. Read selections about phenomena that are related to biodiversity and define the words that will be cited as to how they were used in the selection.5.Write a reflection paper about the video on protecting biodiversity.
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SPECIES
ECOSYSTEMTAXONOMY
BIODIVERSITY
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ECOSYSTEMBALANCED
Living Things(Producers
and Consumers)
Non-living Things
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SPECIES EXTINCTION
SPECIESa group of living organism
consisting similar individuals capable of exchanging genes or of interbreeding, considered as
the basic unit of taxonomy.
EXTINCTIONstate or process of being extinct;
state of being not existing
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SPECIES EXTINCTION
SPECIE EXTINCTIONThe vanishment of a group
of living organism consisting similar
individuals capable of exchanging genes or of
interbreeding.
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SPECIES EXTINCTION
CAUSES OF SPECIE EXTINCTION
• Hunting and trapping• Taking animals for profit• Destruction of habitat• Pollution• Overharvesting
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SPECIES EXTINCTIONPHOTO QUIZ
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SPECIES EXTINCTIONPHOTO QUIZ
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SPECIES EXTINCTIONPHOTO QUIZ
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SPECIES EXTINCTIONPHOTO QUIZ
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SPECIES EXTINCTIONPHOTO QUIZ
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POPULATION DENSITY
LIMITING FACTORS
CARRYING CAPACITY
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POPULATION DENSITY
Density = number of individuals
size of area
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POPULATION DENSITYDensity = number of
individualssize of area
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POPULATION DENSITY
Width - 5 inches Length - 8 inches
- fishes - sea weeds
- planktons
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SPECIE DIVERSITY
Resilience
EcologicalCommunities
Withstand
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SPECIE DIVERSITY
Conservationist
Rain Forests
Lose
ComprehensiveStrategy
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SPECIE DIVERSITY
Habitat Types
Irreversible
Devastating
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SPECIE DIVERSITY
Extinction
GeneticDiversity
Survival
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BIODIVERSITY LOSS
WHAT CAN BE DONE?
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BIODIVERSITY LOSS
Every species are important!
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BIODIVERSITY LOSS
But their homes are wrecked, leading them to deaths.
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BIODIVERSITY LOSS
What can people do to protect biodiversity?
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BIODIVERSITY LOSS
1. PROTECTING AREASCreating protected areas where human activity is limited is the best way to prevent deforestation and exploitation of organisms and the resources they need to survive.
2, PREVENTING SPECIES INTRODUCTION
It is often much easier and less expensive to prevent a problem from developing in the first place than to try to fix it once it occurs!
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BIODIVERSITY LOSS
3. INFORMING/ EDUCATINGEducation is a powerful tool, and the more people know about biodiversity loss, the
more they will be prepared to help slow it.
4. SLOWING CLIMATE CHANGEAny efforts as individuals, organizations, or
governments, to slow current human-caused global warming is a step towards
slowing biodiversity loss.
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BIODIVERSITY LOSS
5. PROMOTTING SUSTAINABILITY
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BIODIVERSITY LOSS
ACTIVITY!
On a half sheet of paper, write a reaction paper about the video presented.
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BIODIVERSITY:Extinction and
Measuring Population Density