1. examine the importance of protecting and learning … are the types of biodiversity? ecosystem...
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BiodiversityLearning Targets:
1. Examine the importance of protecting and conserving biodiversity.
2. Predict the impact of a specific threat to the biodiversity of an ecosystem.
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Essential Questions1. What is biodiversity?
2. Why is biodiversity important?
3. What are the most significant threats to biodiversity?
4. How do we preserve biodiversity?
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Why is biodiversity important?● Biodiversity is the
total of all the genetically based variations in all organisms in the biosphere.
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What are the types of biodiversity?Ecosystem diversity
● The variety of habitats, communities, and ecological processes in the biosphere.
Species diversity ● The number of different species in the biosphere, or
in a particular area.Genetic diversity
● The sum total of all different forms of genetic information carried by a particular species, or by all organisms on Earth.
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What are biodiversity’s benefits to society?Medicine
● Wild species are the original source of many medicines.Agriculture
● Most crop plants have wild relatives. These wild plants may carry genes we can use to transfer disease or pest resistance or other helpful traits.
Ecosystem Services● The number and variety of species in an ecosystem can
influence that ecosystem’s stability, productivity, and value to humans.
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What are the most significant threats to biodiversity?● Altered habitats● Hunting● Introducing invasive species● Releasing pollution into food webs● Contributing to climate change
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How do we preserve biodiversity?● Protect individual species● Preserve habitats and ecosystems● Make certain that human neighbors of
protected areas benefit from participating in conservation efforts.