A look at a common food chain in the Arctic tundra, introducing the Arctic willow that starts the chain, the wolf that sits atop the chain, and various animals in between.
A look at a common food chain in the Pacific Ocean, introducing the plankton that starts the chain, the killer whale that sits atop the chain, and various animals in between.
A look at a common food chain in the Rocky Mountains, introducing the ponderosa pine tree that starts the chain, the mountain lion that sits atop the chain, and various animals in between.
A look at a common food chain in a South American rainforest, introducing the cacao tree that starts the chain, the jaguar that sits atop the chain, and various animals in between.
A look at a common food chain on a North American prairie, introducing the bluestem grass that starts the chain, the badger that sits atop the chain, and various animals in between.
A look at a common food chain in a North American desert, introducing the mesquite tree that starts the chain, the coyote that sits atop the chain, and various animals in between.
