Biodiversity and Science

What is biodiversity?

• The variety of life in the world or in a particular habitat or ecosystem

• The diversity of species, populations, and communities in an ecosystem

• The diversity among individuals within a particular species

• The diversity of ecosystems on Earth

How is biodiversity defined?

• The variety of life in the world or in a particular habitat or ecosystem

• The diversity of species, populations, and communities in an ecosystem

• The diversity among individuals within a particular species

• The diversity of ecosystems on Earth

What is the importance of biodiversity?

• It provides food, building materials, and medicine

• It supports ecosystem structure and function

• It contributes to aesthetic, spiritual, and cultural enrichment

• All of the above

What are the major forms of biodiversity on Earth?

• Genetic diversity, species diversity, and ecosystem diversity

• Species diversity, population diversity, and community diversity

• Individual diversity, species diversity, and ecosystem diversity

• Genetic diversity, population diversity, and community diversity

What is the role of keystone species in an ecosystem?

• They maintain overall ecosystem balance

• They increase ecosystem resilience

• They provide provisioning services

• They support cultural services

What is the relationship between biodiversity and ecosystem resilience?

• Biodiversity decreases ecosystem resilience

• Biodiversity has no impact on ecosystem resilience

• Biodiversity increases ecosystem resilience

• Biodiversity disrupts ecosystem resilience

What are provisioning services provided by ecosystems?

• Food, timber, medicinal plants, and freshwater

• Formation of soils and cycling of nutrients

• Educational, recreational, aesthetic, and spiritual contributions

• Climate modulation, waste decomposition, water filtration, and plant pollination

What are supporting services provided by ecosystems?

• Food, timber, medicinal plants, and freshwater

• Formation of soils and cycling of nutrients

• Educational, recreational, aesthetic, and spiritual contributions

• Climate modulation, waste decomposition, water filtration, and plant pollination

What are cultural services provided by ecosystems?

• Food, timber, medicinal plants, and freshwater

• Formation of soils and cycling of nutrients

• Educational, recreational, aesthetic, and spiritual contributions

• Climate modulation, waste decomposition, water filtration, and plant pollination

What are regulating services provided by ecosystems?

• Food, timber, medicinal plants, and freshwater

• Formation of soils and cycling of nutrients

• Educational, recreational, aesthetic, and spiritual contributions

• Climate modulation, waste decomposition, water filtration, and plant pollination