How Ecosystems Work Energy Flow in Ecosystems Ecological
- Slides: 12
How Ecosystems Work Energy Flow in Ecosystems
Ecological Pyramids
Ecological Pyramids Show relative amounts of energy or matter within trophic levels of food chains and food webs
Energy Pyramids • shows amount of available energy at each level • most energy is consumed at each level for biological processes or lost as heat • only about 10% of energy is transferred to next level 0. 01% 0. 1% 1% 100%
• Each time energy is transferred, some of the energy is lost as heat • Therefore, less energy is available to organisms at higher trophic levels. • One way to visualize this is with an energy pyramid Trophic Levels
0. 01% 0. 1% 1% 100%
Heat Autotrophs 100% Heat Consumed Herbivores Consumed 10% Carnivores 1% Consumed
Biomass Pyramid • represents available food (organic matter)
Pyramids of Numbers • represents the number of individuals at each trophic level
Energy Loss Affects Ecosystems • Decreasing amounts of energy at each trophic level affects the organization of an ecosystem. • Energy loss affects the number of organisms at each level. • Energy loss limits the number of trophic levels in an ecosystem.
1. 2. 3. 4. 5. 6. 7. 8. 9. How does energy flow through an ecosystem? Draw a food chain with at least 3 consumers. What do the arrows indicate? To show all of the feeding relationships in an ecosystems, biologist use a/(an) __ __. How much energy is transferred from one organism to the other? What happens to the energy that is not transferred? Review What is biomass? What information is found in a biomass pyramid? What is represented by a pyramid of numbers?
The End
- Chapter 4 lesson 2 energy flow in ecosystems answer key
- Which marine ecosystem contains the fewest producers
- Flow of energy
- Primary consumer
- Section 1 energy flow in ecosystems
- Energy naturally flows from warmer matter to cooler matter
- Oikos meaning
- How ecosystems work
- Chapter 5 how ecosystems work study guide
- How ecosystems work
- How do ecosystems work
- Work energy theorem
- Chapter 4 work and energy section 1 work and machines