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Observe the specimen of Cockroach. Draw its diagram and write its characteristics.

Observations :

a) How does the skin look like? Did you observe any hard layer on the skin?

b) How many parts is the body divided into?

c) Observe the legs and says how does it look like.

d) Name some more animals whose legs are jointed as seen in Cockroach.

1 Answer

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Best answer

a)

The entire body of cockroach is covered by a hard brown Coloured chitinous exoskeleton.

b) 

The body is segmented and distinctly divisible into three parts 

1. Head 

2. Thorax 

3. Abdomen.

c) Three pairs of legs are present. Each leg consists of five segmented. Jointed legs are present.

d) Prawn, scorpion, grasshopper, ant, mosquito have jointed legs.

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