They produce high pitch sound that reflects off objects and helps them find their prey in dark.

What is hibernation?

what are scientists called who study the adaptation features that explain how organisms survive in different biomes

The reddish acid that comes from plants, is used in making ink and leather and occurs in various foods and drinks

These unusual species produce sound by forcing air through their spiracles. They may be the only known species of insect with the ability to do this. They use the hiss as a means of communication.

Evolution of species into new ones may take place by this method

Name a device used by the defence personnel to see clearly at night and also helps them fight wars at night

The property to emit light VISIBLE LIGHT voluntarily or involuntarily by living organisms

Name a fish that begins its life on the river and then travels to the ocean and comes back to the river to lay eggs.

The three types of them - Physical, Physiological and behavioural

What is a biome ?