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Questions and Answers
Which of the following is NOT a component of biodiversity?
Which of the following is NOT a component of biodiversity?
- Geographical diversity (correct)
- Ecosystem diversity
- Species diversity
- Genetic diversity
Biodiversity has no economic value.
Biodiversity has no economic value.
False (B)
What is the importance of genetic diversity in species?
What is the importance of genetic diversity in species?
It allows for adaptation to changing environments and contributes to ecosystem resilience.
Deforestation contributes to biodiversity loss by causing habitat destruction in ________.
Deforestation contributes to biodiversity loss by causing habitat destruction in ________.
Match the following types of biodiversity with their definitions:
Match the following types of biodiversity with their definitions:
Which of the following describes Eutrophication?
Which of the following describes Eutrophication?
Habitat loss directly contributes to species extinction.
Habitat loss directly contributes to species extinction.
What is the main goal of conservation strategies?
What is the main goal of conservation strategies?
________ refers to the phenomenon where harmful chemicals increase in concentration at each trophic level.
________ refers to the phenomenon where harmful chemicals increase in concentration at each trophic level.
Match the following types of pollution with their descriptions:
Match the following types of pollution with their descriptions:
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Study Notes
Introduction to Biodiversity
- Biodiversity refers to the variety of life forms on Earth, encompassing plants, animals, and microorganisms.
- Essential for ecosystem stability, resilience, and provision of critical ecosystem services.
- Economic benefits arise from biodiversity, including resources for pharmaceuticals, agriculture, and tourism.
- Cultural significance is seen in how biodiversity enriches traditions and spiritual values globally.
Components of Biodiversity
- Genetic Diversity: Reflects DNA variation within populations, vital for adaptation and resilience.
- Species Diversity: Includes various species coexisting, each playing unique roles in an ecosystem.
- Ecosystem Diversity: Represents a range of habitats and ecological communities within a specific area, crucial for stability and resilience.
- Functional Diversity: Involves components affecting ecosystem operation, influencing energy flow and nutrient cycling.
Threats to Biodiversity
- Habitat Destruction: Results from deforestation, urbanization, and logging, reducing space for species.
- Pollution: Includes air, water, and soil pollution, which contaminates ecosystems and threatens health of species.
- Climate Change: Causes habitat alteration and species extinction through rising temperatures and shifting ecological balances.
- Invasive Species: Non-native species disrupt local ecosystems, outcompeting native species and altering community dynamics.
Protection of Biodiversity
- Habitat Preservation: Focuses on safeguarding natural habitats to maintain biodiversity and ecosystem integrity.
- Species Conservation: Involves measures to protect endangered species and prevent extinction.
- Sustainable Practices: Encourages sustainable agriculture and fishing to minimize adverse impacts on biodiversity.
- Conservation Areas: Establish protected zones to defend diverse ecosystems and genetic resources.
- Community Involvement: Engages local communities in conservation efforts, enhancing habitat restoration and species protection initiatives.
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