An illustration of a white fish silhouette with a question mark in the middle, for the species identifying game Keys to the Ocean
Play the Keys to the Ocean Game

Our world is full of different plants, animals, bacteria, and other life. But how do we know which species is which? Scientists have built tools called taxonomic keys that help us do this. Take a trip to the ocean to help researchers identify different species of fish and zooplankton in Keys to the Ocean.

To learn more about taxonomy and species identification, visit our story page about Taxonomy.

Written by: 
Christopher Albin-Brooks
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The ring from The Lord of the Rings, with glowing words on it
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DNA double helix in blue
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Mosquito life cycle - image is of a mosquito laying eggs on water
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an illustration of bags of trash showing microbes inside
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