Topic
ocean life
2 questions tagged ocean life — spanning every one of the seven Ws.
why
Why do octopuses have blue blood?
Octopus blood uses copper-based hemocyanin instead of iron-based hemoglobin to carry oxygen, which turns blue.
ocean lifebiology
where
Where do oarfish live?
Oarfish live in the open ocean, usually far below the surface in temperate and tropical waters. They are rarely seen because they inhabit the deep pelagic zone.
AnimalsOcean life