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Food chains, energy and biomass.




Arrows show direction of energy flow.

Sun is where all energy comes from.

Biomass- The dry mass of an organism. The biomass in a particular step in a food chain is always less
than the biomass a step before it. In this food chain there…

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the predator numbers will increase. Growing predator numbers will eventually reduce the food
supply, to the point where it can no longer sustain the predator population.

Predator-Prey Relationships (recap)

A predator is an organism that eats another organism. The prey is the organism which the predator
eats. Some examples of…

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