Question : Give reasons for the following.1 . Respiratory and circulatory system are absent in parasitic platyhelminthes and Aschelminthes. 2. Arthropods are the most successful invertebrate. 3. Body of endoparasites are covered with cuticle.

Question : Give reasons for the following.1 . Respiratory and circulat

1.	Question : Give reasons for the following.1 . Respiratory and circulatory system are absent in parasitic platyhelminthes and Aschelminthes. 2. Arthropods are the most successful invertebrate. 3. Body of endoparasites are covered with cuticle.
Answer» III only lit and II I and IV IV only Answer :C