Energy Flow in Ecosystems

Mr. Anderson explains energy flow in ecosystems, highlighting the sun as the primary energy source. He discusses photosynthesis and chemosynthesis, detailing how energy is converted and used by producers and consumers. The video covers productivity, trophic levels, and energy loss, emphasizing the importance of ecological pyramids in measuring energy efficiency and biomass. Key concepts include the role of photosynthesis, energy transfer efficiency, and the significance of ecological models in understanding energy dynamics.

What is the major energy source on our planet?

What role do producers play in energy flow within ecosystems?

Explain the difference between gross primary productivity and net primary productivity.

Describe the process of photosynthesis and its importance in energy transfer.

What is chemosynthesis and how does it differ from photosynthesis?

How does energy efficiency change at different trophic levels?

What is the significance of decomposers in an ecosystem's energy flow?