Define Division/Phylum.

Define cell division.

Distinguish between : phylum Platyhelminthes and Phylum Aschelminthes. OR Write any two points of differences between flat worms and round worms.

Spiny skinned animals are included in phylum………….. .

Define and understand the following terms: Phylum

Answer the following : Define ' fishery' and state the types / divisions of fisheries.

Identify the phylum of the given animal and write any two characterstics of this phylum.

Identify the phylum to which the given organism belongs to and enlist the charcterstics of this phylum.

Give an account of Phylum Arthropoda.

Give the characteristics of Phylum Hemichordata.