Secondary consumer An organism that eats primary consumers
Tertiary consumer An organism that eats secondary consumers
Foodchain A series of events in which one organism eats another and obtains energy.
network of food chains representing the flow of energy in an ecosystem. the arrows
Foodweb
point from the prey to the predator.
The hierarchical levels of the food chain through which energy flows from primary
Trophic levels
producers to primary consumers, secondary consumers and so on.
Pyramids ecological diagrams showing how nutrients and energy moves through the various trophic levels
Energy flow The passage of energy through the components of an ecosystem
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