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Worksheets and No Prep Teaching Resources
Reading Comprehension Worksheets
Dinosaurs
An Ancient Swim Team-Sea Reptiles!

Dinosaurs
Dinosaurs


An Ancient Swim Team-Sea Reptiles!
Print An Ancient Swim Team-Sea Reptiles! Reading Comprehension with Third Grade Work

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Print An Ancient Swim Team-Sea Reptiles! Reading Comprehension

Reading Level
     edHelper's suggested reading level:   grades 3 to 5
     Flesch-Kincaid grade level:   4.58

Vocabulary
     challenging words:    criss, ichthyosaur, nothosaur, nothosaurs, circular, ancient, snout, clumsy, unique, underwater, easily, beating, peering, reptile, rubbery, beak
     content words:    Late Triassic, Mary Anning, Finding Nemo


An Ancient Swim Team-Sea Reptiles!
By Colleen Messina
  

1     Putting together a swim team in ancient times would have been exciting. Sea reptiles would have been good members of your team. They loved to just keep swimming all the time!
 
2     These reptiles had good reasons for going to sea. Swimming was easier than walking on land. They found more food. Their bodies changed a little to adapt to life in the ocean. Their bodies had extra fingers and toe bones. Many of them also had fins and flippers. They even had extra bones in their flippers to make them stiffer. All of this helped them swim fast.
 
3     But they couldn't swim all the time no matter how much they liked it. Reptiles breathed air, so they still had to come up to the water's surface. Sea reptiles had nostrils on top of their heads to make it easier to catch a breath. They probably looked like sea monsters peering up from the smooth seas.
 
4     Sea reptiles also had a flap at the back of their mouth. This flap closed their windpipes so water did not go down their throats. It is hard to know how long these reptiles stayed underwater. Modern crocodiles can sit down below for several hours when they are resting. But they come up for air every 5 to 10 minutes when they are busy swimming.

Paragraphs 5 to 11:
For the complete story with questions: click here for printable



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Dinosaurs
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