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a bioweapon, a biological weapon
The use of bioweapons is prohibited by international law.
(marine biology) Synonym of ネクトン (nekuton, “nekton”)
The study of nekton is an important part of marine biology.
biological clock
My biological clock is disrupted, and I've been having sleepless nights.
invasive species
Invasive species can have a major impact on the natural environment.
an olive ridley sea turtle
The olive ridley sea turtle is one of the smallest sea turtles in the world.
a loggerhead sea turtle
The loggerhead sea turtle is designated as an endangered species.
赤海亀: a loggerhead sea turtle
The loggerhead sea turtle lives in the sea.
The loggerhead sea turtle is particularly long-lived among marine creatures.
pond slider (Trachemys scripta)
There are many pond sliders in the park's pond.
Aquarius (constellation)
He was born under the constellation of Aquarius.
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