Which is the BEST summary of the passage? ration:
se Sound
Scientists know long ago how bats uso
echolocation. Later, scientists figured out how
to use it to make a special walking stick.
nals that use
- Information
This process
aves that reflect
bats' ears.
night bats
aills that allow
nd hone in on
ntists now have a
ut echolocation,
950
Bat calls helped early scientists understand
echolocation, Scientists found that bats had
trouble flying when their ears were full of wax.
Scientists recently found that bats use sound
to navigate. They named the process
ocholocation. Bats use it to find objects.
Early scientists thought bats use their hearing
to navigate. Scientists later explained
echolocation. This led to more progress.