Explanation

(a) Identify specimens;

• N = Fresh skin of poultry fowl,
• O = Fresh skin/hide of ruminant,
• P = Kidney (whole) of goat,
• Q = Horn

(b) Specimen N is derived from poultry birds such as domestic fowl, turkey, goose, duck etc while specimen O is derived from ruminant animals like cattle, sheep and goat.

(c) Two functions of specimens N, O, and P that are Common to farm animals are:

N -

• It protects the internal organs.
• It prevents the entrance of disease organisms

O -

• It aids excretion,
• It aids the production of milk in females.

P-

• It aids excretion
• It helps in the osmoregulation of the body.

(d)(i) It can be used to make shoes, belts, caps, baskets, drums, etc.

(ii) Tick, Liver fluke, tapeworm, or Ascaris,

(e) The condition in which an animal does not possess specimen Q is when the animal is a hon-ruminant.

(f) The importance of specimen Q to farm animals are;

• It is used to fight or defend themsslves. 
• It gives them shape
• It aids swimming, e.g. kuri catle.

Importance of specimen Q to man are;

• It serves as raw material in knife handles, belt heads etc.
• it is used for decorative purposes.
• It is used to make livestock feeds.

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