Tunnels within sea ice called brine channels house bacteria and algae that feed flatworms and other tunnel-dwelling creatures.
Source: tatoeba (6679405)
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Tunnels within sea ice called brine channels house bacteria and algae that feed flatworms and other tunnel-dwelling creatures.
Source: tatoeba (6679405)
After growing and multiplying, the flatworms leave the snail and re-enter the lake or stream.
Source: tatoeba (11710689)
Martino studied flatworms.
Source: tatoeba (11711561)