sentence: Echolocation means they use echoes to find where things are.
sentences_before: An interesting thing about bats is that even though they can see with their eyes, they also use their ears to help them 'see' in the dark. Because of this, they can fly into very dark places where no eye could see. This way of sensing is called 'echolocation'.
concept_name: echolocation
headings: Bat Adaptations Echolocation