Explanation

(a) ldentification of specimen O and specimen P;

• Specimen O - Animal horn
• Specimen P - Animal skin/animal hide

(b) Farm animals which do not possess specimen O (Animal horn)

• Poultry
• Swine/pig
• Rabbit 
• Guinea pig
• Donkey
• Horse
• Camel

(c)(i) Farm animals in which both sexes possess specimen O (Animal horn)

• Cattle
• Goats 

(ii) Farm animal in which only one sex of the species possesses specimen O;

• Sheep

(d) Functions of specimen 0 (Animal horn) and Functions of  Specimen P (Animal skin)

Functions of Animal Horn;

• For defence.
• For attack/offence
• For scratching the body.
• Enhances the appearance of the animal possessing it.

Functions of Animal skin ;

• It manufactures vitamin D, with the aid of sunlight.
• Storage of reserved food (fat) under the skin.
• For protection of the body organs/insulation.
• For temperature regulation of the body.
• Excretion through sweating.
• Response to environmental stimulus.
• Milk secretion through the mammary gland.

(e) Problems a farmer may encounter in the management of animals which possess specimen O (Animal horn)

• Problems of space when transporting the animals.
• Animal may injure the owner or herdsmen with the horns.
• Animal may injure one another with the horns.
• Animal may use horns to destroy buildings and Other farm structures.
• Animals with horns bully their young ones and those without horns
• Requires larger housing space and more pens spaces.

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