Question

Choose the correct answers from the alternatives given.

Earthworms differ from most of the marine annelids as in that earthworms:

• A. Lack setae that marine annelids have
• B. Lack paddle-like parapodia that marine annelids have
• C. Have segments, whereas marine annelids do not
• D. Have well-developed brains and sensory organs in the head region, whereas marine annelids do not

Answer 1

The correct option is B Lack paddle-like parapodia that marine annelids have

In polychaetes (or marine annelids) parapodia are present that help in gaseous exchange and in movement. Parapodia is absent in earthworm and in earthworms respiration is through skin. So, the correct answer is 'lack paddle-like parapodia that marine annelids have'.