Question

Nematoda A) lack specialized circulatory and respiratory organs; B) Are unsegmented; C) Are acoelomate; D) Possess flame cells for excretion;E) A and B are correct.

Answer 1

Nematoda

Nematodes are animals that have a cylindrical shape.

Some of its features are:

• They are ,unsegmented, animals;

,

• They do not have specialized respiratory and circulatory organs;

,

• They are ,pseudocoelomates,;

,

• Its excretions are made from ,H tubes,.

Considering what was put as characteristics of these animals, we have that the answer is the alternative "E". This is because they are not segmented animals and also do not have respiratory and circulatory system organs.