Biology, asked by parasramola49, 10 months ago

describe the mechanism of crop varitey improvement

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Answered by rranjan8481

Answer:

The nervous system of cockroach consists of a series of fused, segmentally arranged ganglia joined by paired longitudinal connectives on the ventral side. Three ganglia lie in the thorax, and six in the abdomen. The nervous system of the cockroach is spread throughout the body.

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