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Which factor is responsible for the changes in the 3 phases in a life cycle?

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in Biology – Class 12 by (271k points)
Which factor is responsible for the changes in the 3 phases in a life cycle?

(a) Blood

(b) Hormones

(c) Respiration

(d) Nervous system (in animals)

This question was posed to me during a job interview.

The query is from Organisms topic in chapter Reproduction in Organisms of Biology – Class 12

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Best answer
Right choice is (b) Hormones

The best explanation: Hormones are chemical messengers that travel through the bloodstream (in case of animals). Hormones are responsible for the change in the phases in both plants and animals. Hormonal change can be affected by environmental factors too.

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