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Social Behavior in Eusocial Insects

Social Behavior in Eusocial Insects

A honeybee colony can contain tens of thousands of individuals, yet only one, the queen, typically reproduces. The rest spend their entire lives work

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The Biology of Camouflage and Mimicry

The Biology of Camouflage and Mimicry

A stick insect resting motionless on a branch is nearly invisible even to a trained eye, and a harmless scarlet kingsnake shares almost the exact sam

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Echolocation in Bats and Marine Mammals

Echolocation in Bats and Marine Mammals

A bat flying through pitch darkness can catch a moth mid-flight, and a dolphin swimming through murky water can distinguish a fish from a rock withou

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Animal Migration and Navigation

Animal Migration and Navigation

An Arctic tern hatched this summer will, within a few months, fly roughly 40,000 miles from the Arctic to the Antarctic and eventually back again, wi

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Insect Metamorphosis: From Larva to Adult

Insect Metamorphosis: From Larva to Adult

A caterpillar has no wings, chews leaves with mandibles built for grinding, and moves on stubby prolegs. The butterfly it becomes has wings, sips nec

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Vertebrate vs. Invertebrate Body Plans

Vertebrate vs. Invertebrate Body Plans

When most people picture "animals," they picture vertebrates: dogs, birds, fish, and, of course, humans. But vertebrates are actually a small minorit

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