Which of the Following is a Characteristic of Nematodes

Question

Which of the following is a characteristic of nematodes?
A) All species can be characterized as scavengers.
B) They have only longitudinal muscles.
C) They have a true coelom.
D) They have a gastrovascular cavity.
E) Many species are diploblastic.

Accepted Answer

Nematodes have only longitudinal muscles, which means they can only move by contracting and relaxing their muscles in a back-and-forth motion. They do not have circular muscles, like most other animals.