MATTER; ENERGY and LIFE in ECOSYSTEMLecture IVDennis G. Cosmod

Review

Conservation of Matter

The total quantity of matter and energy available in the universe is a fixed amount and never any more or less.So, when a chemical change occurs, why does the weight often times not correlate?

Because chemical changes release energy.The result might be release of gas--which in turn means a discrepancy in weight.

Review

Thermodynamics and Energy Transfers

Review

Thermodynamics and Energy Transfers

Review

Thermodynamics and Energy Transfers

Laws of Thermodynamics

Energy Flow Thru Ecosystem

Food Chain and Food Web

Resources