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Assertion : Cockroach shows sexual dimorphism Reason : The female cockroach bears a pair of short thread like anal styles.

How do organisms like fungi, zooplanktons and bears overcome the temporary short-lived climatic stressful conditions? Explain.

Assertion :- The rate of appearance of new forms is liked to the life cycle or the life span of organisms. Reason :- The organism with short life span have ability to produce more progenies in shorter time and that have chance to more expsure with nature.

A breeder crossed a pure breed tall plant having white flowers tall pure short plant having blue flowers. He obtained 202 F_(1) progeny and found and found that they are all tall having white flowers. Upon selfing these these F_(1) Plants, he obtained a progeny of 2160 plants. Approximately, how many of these are likely to be short and having blue flower?

The affected individuals are short statured disorder like