Lesson Note On The Classification of Farm Animals Based on Size and Habitat

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Aquatic farm animals:

These are animals that live, feed, and breed in water bodies such as ponds, streams, lakes, rivers, oceans, and seas.

They also have features for adaptation in water like possession of webbed feet, fins, and swim bladder.

They obtain oxygen dissolved in the water where they live.

Examples are:

fishes (tilapia, catfish, mackerel)

shellfish (e.g shrimps, crayfish, prawn, lobster)

mammals (e.g hippopotamuses, whales, seals etc.

reptiles(e.g  turtles, crocodiles).

molluscs (e.g periwinkle, squid, octopus)

EVALUATION:

1. What are terrestrial animals?
2. Give four examples of the following:
3. Aquatic animals.
4. Terrestrial animals.
5. Where do aquatic animals get their oxygen requirement?

Sub–Topic 3: Classification based on the mode of reproduction

Using these criteria, farm animals can be classified into two groups which are:

• Mammals (viviparous farm animals)
• Non-mammals (oviparous farm animals)

Mammals

1. They are animals that give birth to their young ones alive and have their bodies covered with hair or fur.
2. They are warm-blooded vertebrate animals.
3. They equally feed their young ones with milk from their mammary glands (udder).

Examples of mammals are goats, sheep, cattle, cats, pigs, guinea pigs, rabbits, camels etc.

Non- mammals

They are animals that do not give birth to their young ones alive. They produce their young ones by laying and hatching eggs. They do not breastfeed their young ones.

Examples are fish (Pisces) and birds( Aves) e.g poultry such as turkey, guinea fowl, duck, pigeon, chicken, etc. Amphibians e.g toads and frogs.

EVALUATION:

1. Differentiate between mammals and non-mammals.
2. Mention five examples of each of them
3. State three characteristics of mammals.

WEEKEND ASSIGNMENT:

1. Make a ten list of the example of the following:
2. Mammal
3. Non-mammals
4. Draw and label the digestive system of a ruminant.