What is this?
Balanoglossus is a fascinating marine worm that lives in sandy or muddy areas of the ocean. It's often called an 'acorn worm' because its front part looks a bit like an acorn. These worms are special because they share some features with animals that have backbones, even though they don't have one themselves!
Key Parts to Explore
Proboscis
This is the acorn-shaped front part that helps the worm burrow and grab food.
Collar
This is a short, muscular ring right behind the proboscis.
Trunk
This is the long, main body section where the worm's important organs are.
Gill Slits
These are tiny openings on the trunk that help the worm breathe underwater.
Did You Know?
Did you know that Balanoglossus worms, despite living in the ocean, can sometimes smell exactly like iodine, the stuff doctors use to clean cuts?
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