Question

Which among the following characteristics are generally observed in nocturnal animals?

• A. Specially adapted eyesight
• B. Highly developed sense of smell
• C. Highly developed sense of hearing
• D. Produce high pitched sounds

Answer 1

Answer: (A), (B), (C), (D)

The correct options are
A Specially adapted eyesight
B Highly developed sense of smell
C Highly developed sense of hearing
D Produce high pitched sounds

Animals which are active during night and sleep during the day are called nocturnals. E.g., Cats, rats, bats, owls, etc. These creatures generally have:
$\bullet$ Highly developed sense of hearing and smell.
$\bullet$ They have specially adapted eye sight to see well in dark.
$\bullet$ Can emit high pitched sounds to find prey or protect themselves from predators. E.g., Bats.