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Questions and Answers
What is the size range of sharks?
What is the size range of sharks?
- 17 cm to 17 m (correct)
- 6.7 in to 200 in
- 17 cm to 200 cm
- 6.7 in to 6.7 m
When did the oldest modern sharks first appear?
When did the oldest modern sharks first appear?
- Late Jurassic
- Early Jurassic (correct)
- Devonian Period
- Late Ordovician
What characterizes sharks?
What characterizes sharks?
- Bony skeleton
- Cartilaginous skeleton (correct)
- Seven to nine gill slits on the sides of the head
- Fused pectoral fins to the head
