Question

3
the pterosaur was a flying reptile that lived
millions of years ago. often referred to as
pterodactyl or wing finger, at least 60 different
types existed. the wings of the pterosaur were
thin membranes of skin, similar to the wings of
bats, and extended along the sides of the body.
some were no bigger than a sparrow while
others were monsters with wingspans in excess
of 40 feet!

Explanation:

The main idea is the central concept about the Pterosaur. The supporting details elaborate on its characteristics like wing structure and size variations.

Answer:

Main Idea: The Pterosaur was a flying reptile with distinct features.
Supporting Details:

• Often called Pterodactyl or "wing finger", at least 60 types existed.
• Wings were thin skin membranes like bat wings, extended along body sides.
• Some were sparrow - sized, others had wingspans over 40 feet.