Key Characteristics

Watch the video below which provides information on the key characteristics of Nematodes.

Activity 1

Based on the video previously watched, answer the following questions accurately:

1.    What are Nematodes commonly referred as? 

2.      Is Nematodes the largest groups of Metazoan? 

3.      What is the body type (form) of Nematodes?

4.      List four structures that are present on the female Ascaris

5.      What is the function of Pseudo-coelomic?

6.      Give a summary of the general characteristic of nematodes.

Comment on at least two of your classmate post.

• ·      Psuedocoelomate- body cavity that is not derived from the mesoderm, as in a true coelom, or body cavity. They have a pseudocoelomate.

• ·         Unsegmented- body is not divided into segments

• ·         Bilaterally symmetrical- the body plan can be divided along a plane that splits the animal's body into right and left sides that are mirror images of each other.

• ·          Tubular digestive tract passing from mouth to anus tiny

• ·         Without cilia- they move by the contraction of their longitudinal muscles

• ·         Live in great numbers in soil and aquatic sediments

• ·         Some are important animal parasites

(McSorley, 2019)