Form 1:
Classification 1

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External features of plants and animals used in classification

External features of plants used in classification

examples are:

Stem presence and type.
 
Fronds in ferns.
 
Type of leaves; simple or compound; leaf venation- parallel or net work veined.
 
The rhizoids as in moss plant.
 
The type of roots: tap root, adventitious, fibrous, prop and buttress roots.
 

External features of animals used in classification

Body covering- feathers, scales, hair or fur.
 
Mammary glands in mammals.
 
Shells in snails.
 
Proglotids in tapeworms.
 
Tentacles in hydra.
 
Wings in birds.
 
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