Multiple choice

Which of the following options is the characteristic feature of ‘Porifera’?

  1. Marine habitat

  2. Calcareous spicules

  3. Division of labour

  4. Canal system
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Canal system is a characteristic feature of 'Porifera'.Body of all sponges is the perforated by large number of apertures through which water enters Inside body and flows through a system of criss-crossing canals collectively forming the canal system .

Keep practicing — related questions