predator/prey/carnivore/herbivore/omnivore
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energy pyramid
shows the amount of energy available to pass from one level of a food chain to the next
food web
shows the interactions among many different food chains in a single ecosystem
omnivore
an animal that eats both plants and animals
carnivore
an animal that eats only meat
herbivore
an animal that eats only plants
prey
animal hunted or caught for food
secondary consumer
animal that eats herbivores; carnivore; second-level consumer
tertiary consumer
animal that eats secondary consumers; carnivore eats another carnivore; third-level consumer
predator
animal that hunts and eats other animals
primary consumer
animal that only eats plants; herbivore; first-level consumer