Choose the correct answer.
Which of the following is divided into groups with and without jaws?
That's Correct!
It's Wrong!
Vertebrates can be divided into groups with jaws and without jaws. Jawless vertebrates include eel-like ocean and freshwater fishes. They have a skeleton made of cartilage and a circular, sucking mouth.
On the other hand, invertebrates have no jaws exactly like those of vertebrates. Pincers of lobsters or mandibles of ants may act like jaws, but they are not like those of vertebrates.
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Key Data
Questions
40
Grade
3, 4, 5
Theme
Animals
Passing score
80%
Progress
8
Incorrect
10
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