Zoology
8 ideas, each explained on one page with a 60-second lesson you can play right there.
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Animal echolocation
Animal echolocation uses sound emission and returning echoes to measure object distance, size, and velocity in air and water.
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Bioluminescence
Bioluminescence is the production of light by a living organism through a chemical reaction.
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Carcinization
Carcinization is an evolutionary process where crustaceans that are not true crabs independently evolve crab-like bodies.
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Compound eye
A compound eye is a visual organ made of thousands of tiny independent light-sensing units called ommatidia.
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Electroreception
Electroreception is the biological ability to detect electrical fields in the surrounding environment.
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Evolution of the eye
How simple light-sensing cells evolved into complex eyes multiple times across animal history through gradual natural selection.
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Insect Flight
Insects power flight by directly pulling wings or flexing their entire thorax, reaching wingbeat speeds that outpace their own nervous systems.
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Prairie Vole
The prairie vole is a small, burrowing rodent native to the grasslands of North America.