Question

Write the characters of the following animal with the help of the classification chart.

Frog

Answer 1

Classification:

Kingdom	Phylum	Class
Animalia	Chordata	Amphibia

Characters:

1. They are multicellular organisms without a cell wall.
2. They have an organ-system grade organization.
3. They are bilaterally symmetrical.
4. They are triploblastic and eucoelomate.
5. They have two pairs of appendages. Digits are without claws.
6. Exoskeleton is absent. Skin is without any derivative and usually kept moist for respiration
7. The external ear is absent, but the tympanum is present.
8. The neck is absent. Eyes are prominent with eyelids.
9. They are strictly aquatic during larval life and perform only aquatic respiration, whereas they can live in water as well as on land during adult life and can perform aquatic as well as aerial respiration.