Multiple choice

Which of the following word means organisms with holes?

  1. Porifera

  2. Coelenterata

  3. Nematoda

  4. Arthropoda

Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Porifera literally means 'pore bearer' in Latin, referring to sponges' porous body structure. The name comes from their numerous pores for water circulation.