Ecological Hierarchies and Biome Classifications

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Course Outline

  1. Ecological hierarchy
  2. Biotic and abiotic factors
  3. Global biomes classification
  4. Terrestrial biomes details
  5. Aquatic and transitional biomes
  6. Species interactions
  7. Population ecology factors
  8. Population growth models
  9. Life history strategies
  10. Community ecology and trophic levels

1. Ecological hierarchy

Key Concepts & Definitions

  • Organism: An individual living entity.
  • Population: A group of individuals belonging to the same species inhabiting a specific geographical area.
  • Community: An assemblage of populations of different species living and interacting within a shared environment.
  • Ecosystem: A functional system comprising a community and its non-living environment, with complex interactions between them.
  • Landscape: A heterogeneous area consisting of an array of interacting ecosystems.
  • Biome: A large, naturally occurring community of flora and fauna occupying a major habitat type.
  • Biosphere: The sum total of all living organisms on Earth and the totality of the environments they inhabit.

Essential Points

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Anteprima del quiz

1. Suppose you are tasked with designing a conservation reserve in a region characterized by high annual rainfall, warm temperatures year-round, and dense, layered vegetation. Based on the ecological hierarchy and biome classification, which biome would be most appropriate for this project?

2. How do biotic and abiotic factors differ in their influence on ecosystems?

3. What is the primary basis for classifying global biomes?

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Anteprima delle flashcard

Ecological hierarchy — levels?

Organism, population, community, ecosystem, landscape, biome, biosphere.

Biotic factors — examples?

Predation, competition, parasitism, mutualism, pollination.

Abiotic factors — examples?

Temperature, water, sunlight, soil, water chemistry.

Biome classification — based on?

Latitude, elevation, precipitation, temperature.

Polar biome — location?

Arctic and Antarctic regions.

Alpine biome — location?

High elevations above the tree line.

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Domande frequenti

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