Ecosystem YouTube Lecture Handouts

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Food Chain, Food Web and Ecological Pyramids - 3 Key Concepts in 1 Lecture

Ecology Concept, Components & Classification

This lecture explains what are food chains, food webs and ecological pyramids. She further explains the 3 types of ecological pyramids like pyramid of number, pyramid of biomass and pyramid of energy. She explains the possible cases including the upright and inverted pyramids.

Scope of Ecology

  • Marine, vegetation, and statistical ecology
  • Helps improve environment, manage natural resources, and protect human health.

Concept of Ecology

  • Relationships between living organisms and their physical environment
  • Understand connections between plants and animals
  • How to use Earthีšs resources for future generations.
  • From microbes living in the soil to animals and plants in a rainforest or the ocean.

Ecological Hierarchy

Illustration: Ecological Hierarchy
Illustration: Ecological Hierarchy

Classification of Ecosystem

  • Habitat
  • Ecoline
  • Use
  • Source of Energy
  • Stages of Development
  • Stability

Based on Habitat

Illustration: Based on Habitat

โœ Manishika