Home BIOLOGY TOPIC 4: CLASSIFICATION OF LIVING THINGS ~ BIOLOGY FORM 1

TOPIC 4: CLASSIFICATION OF LIVING THINGS ~ BIOLOGY FORM 1

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Concept of Classification

Explain the concept of classification

Have you ever visited a library? How are the books arrangedand kept? Are they arranged randomly or systematically? Obviously the books are arranged systematically in the shelves. Science books are kept separately in their respective shelves. Science books are keptseparately from social or commercial books. Biology books are separated from physics books or chemistry books. Likewise, in the shop, laboratory or pharmacy items are sorted and placed on the basis of their similarities.

In the world, there are numerous varieties of living organisms.These organisms do vary in size, structure, shape, habitat, modeof feeding and even mode of reproduction. The organisms can be sorted out and placed into different groups based on their similarities. The system of sorting out and placing organisms into different groups on the basis of their similarities and differences is called classification.

Living Things According to Their Similarities and Differences

Group living things according to their similarities and differences

Activity 1

Study the external features of the following organisms:Lizard, sugar cane plant, maize plant, shark, Tilapia, cactusplant, bat, cockroach, butterfly, hen, goat, toad, frog, spider andorange plant

Activity 2

Sort out the above organisms into plants and animals

Classify the animals on the following basis

Those with wings and those without wings

Those with tails and those without tails

Those with antennae and those without antennae

Terrestrial and aquatic organisms

The Importance of Classifying Living Things

Explain the importance of classifying living things

The following are importances of classification

Classification makes the study of living things easy

Classification makes communication easy among biologists from different parts of the world

It provides good organized system in which a newly identified organism can be easily fitted in future.

It makes it easier to identify organisms

It can be used to predict characteristics that are present in the members of the same group.

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