Multiple choice

The only truly flying mammals are _______.

  1. archeopteryx

  2. ptero

  3. bat

  4. None of the above

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Bats are the only mammals capable of powered flight. Archaeopteryx was a bird-like dinosaur, not a mammal. "Ptero" appears to be a misspelling or incomplete reference to pterosaurs (extinct reptiles), not a mammal. Flying squirrels and other mammals can only glide.