Multiple choice

Which of the following is correct?

  1. Porifera and Annelida - Phyla

  2. Oligochaeta and Arthropoda - Phyla

  3. Mollusca and Hydrozoa - Classes

  4. Aves and Chordata - Classes

  5. -

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

Both Porifera and Annelida are phyla. The common examples of the genera in Porifera are Lycon, Sycon, etc. and an example of the phylum Annelida is earthworm.