Animal movements

The process of making compost with the help of earthworms is called

• Manure

• Vermi compost

• fertilisation

• humus

Which of the following statements regarding amphibians is incorrect?

• They breath through their lungs

• they live only in land not in water

• they also breathe through their moist skin

• None of the above

Fish breathe through their_______________.

• gills

• skin

• lungs

• fins

Choose the incorrect statement about fish.

• whales and dolphins are fishes

• fish breathe through gills

• fish swim with the help of their fins

• shark is a fish

A group of fish is called?

• section

• segment

• school

• class

___________ helps to maintain the balance of the fish body while swimming in water.

Scales on the body of a fish help to______________ friction.

A________________ body helps fishes to move easily through water with least amount of friction.

____________ helps to absorb oxygen dissolve in water?

Give an example of aquatic invertebrates.