6.1.2 Biodiversity

• Diverse ecosystems are more resilient to disturbances like climate change and disease outbreaks
• Climate change can cause shifts in temperature and weather patterns
• Match the level of biodiversity with its importance:

  Species diversity ↔️ Increases stability and complexity

  Genetic diversity ↔️ Allows species to adapt to change

  Ecosystem diversity ↔️ Provides diverse habitats
• What is the primary goal of establishing protected areas for biodiversity?

  Preserve natural habitats
• Practicing sustainable forestry, agriculture, and fishing meets human needs without depleting natural resources
• Arrange the levels of biodiversity from smallest to largest:

  1️⃣ Species diversity

  2️⃣ Genetic diversity

  3️⃣ Ecosystem diversity
• Threats to biodiversity can compromise the overall health of the environment.

  True
• Match the human activity with its impact on biodiversity:

  Pollution ↔️ Toxic effects on organisms

  Overexploitation ↔️ Depletion of commercially valuable species

  Climate Change ↔️ Displacement of species from their native ranges

  Invasive Species ↔️ Outcompeting and displacing native species
• Ecotourism development in Costa Rica has improved biodiversity and economic benefits for local communities.


  True
• Many medicines are derived from natural sources found in diverse ecosystems.


  True
• Invasive species always enhance biodiversity in their new ecosystems.

  False
• Which human activity can lead to habitat loss and ecosystem degradation?

  Destruction of natural habitats
• Indicator species are monitored because they are sensitive to environmental changes
• Sustainable resource use aims to meet human needs without degrading natural resources.

  True
• Match the strategy with its description:

  Reforestation and habitat restoration ↔️ Replanting trees and rebuilding damaged ecosystems

  Invasive species control ↔️ Removing or managing non-native species
• Species diversity is the variety of different species in an ecosystem
• Species surveys provide a direct measure of species diversity
• Species sensitive to environmental changes are called indicator species.
• Overexploitation leads to the disruption of food webs and ecosystem balance.

  True
• Sustainable fishing practices in the Great Barrier Reef Marine Park aim to protect coral reefs.
• What does biodiversity refer to?

  Variety of life
• What is the primary impact of habitat loss on biodiversity?

  Reduction in species numbers
• Genetic diversity allows species to adapt to changing environments
• What is the purpose of species surveys in monitoring biodiversity?

  Counting and identifying species
• Why is invasive species control necessary for maintaining biodiversity?

  Prevent ecosystem imbalance
• Genetic conservation includes preserving genetic diversity through seed banks and captive breeding programs.


  True
• Genetic diversity allows species to adapt to changing environments
• Match the method for monitoring biodiversity with its purpose:

  Species Surveys ↔️ Measure species diversity

  Indicator Species ↔️ Signal ecosystem health

  Ecosystem Assessments ↔️ Evaluate ecosystem health

  Genetic Sampling ↔️ Track genetic diversity
• Habitat destruction reduces species, genetic, and ecosystem diversity.
• What is the impact of reintroducing wolves into an ecosystem?

  Balanced ecosystem
• A multifaceted approach to biodiversity management combines protected areas, habitat restoration, and invasive species control.
• Match the level of biodiversity with its definition:

  Species diversity ↔️ The variety of different species in an ecosystem

  Genetic diversity ↔️ The genetic variation within a species

  Ecosystem diversity ↔️ The variety of ecosystems within a region
• What are the three components of biodiversity according to this study material?

  Species, genetic, and ecosystem diversity
• Climate change can displace species and alter ecosystems.

  True
• Monitoring biodiversity is crucial for tracking changes over time.


  True
• Reforestation involves replanting trees to rebuild damaged ecosystems
• Establishing national parks and wildlife refuges helps preserve natural habitats
• Indicator species are sensitive to environmental changes
• Genetic sampling helps track changes in species' genetic diversity over time.


  True
• Maintaining biodiversity is crucial for food security, ecosystem stability, and medical resources.