Question

In nature animals like bats and dolphins, make use of ______________.

Answer 1

1. Bats can produce ultrasounds by flapping their wings and they can detect these sounds after they are reflected by different objects.
2. Dolphins also produce ultrasound and can detect these sounds after they are reflected by different objects.
3. It helps them to navigate as well as hunt their prey.
   Hence, In nature animals like bats and dolphins, make use of ultrasonics.