Species
One kind of living thing: a group that can breed together and have young that can themselves breed. Each species has a two-word scientific name used all over the world, such as Homo sapiens. About two million have been named; most species on Earth probably haven't been yet.
Depth 1 · Foundation
You can use the breeding test to decide whether two living things are one species, and read a two-word scientific name.
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- 1
Foundation
You can use the breeding test to decide whether two living things are one species, and read a two-word scientific name.
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What's still between you and Species, depth 1, in the order you can learn it.