Food Webs and Trophic Pyramids - Other Biogeochemical Cycles - The Ecological Framework of Biodiversity

8 important questions on Food Webs and Trophic Pyramids - Other Biogeochemical Cycles - The Ecological Framework of Biodiversity

What is the core definition of biodiversity?

The variety of life at all biological levels:
  • Genes
  • Species
  • Ecosystems

What are the three main levels of biodiversity?

Levels of biodiversity include:
  1. Genetic diversity
  2. Species diversity
  3. Ecosystem diversity

How is species diversity measured?

By two key components:
  • Species richness
  • Species evenness
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What is species richness?

It is the count of species in a specific area.

What are keystone species?

Species that have a:
  • Disproportionate impact on ecosystem structure
  • Critical ecological role

Name two major threats to biodiversity.

Some major threats include:
  1. Habitat loss
  2. Climate change

What is the importance of biodiversity to ecosystem function?

Biodiversity influences:
  • Stability
  • Resilience
  • Food web complexity

What are protected areas?

Designated regions such as:
  • National parks
  • Reserves for conservation

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