This is a free preview. For full access
Biological Evolution: Unity and Diversity: Vertebrates and Invertebrates
Jawless Fish
Description
Jawless Fish
Jawless fish are some of the oldest and most interesting animals on Earth. They show us what early vertebrates (animals with backbones) may have looked like hundreds of millions of years ago. Jawless fish help scientists understand how important features like bones, jaws, and fins d...
Show More
Transcript
Jawless fish are some of the strangest creatures in the water. Instead of jaws, they have round, sucker-like mouths that help them latch onto food.
Their bodies are long and eel-like, with skeletons made of cartilage, similar to the material in your ears and nose.
This makes them lightweight and helps them glide smoothly through the...
Show More