How are the transitions between the three phases of life span regulated in plants and animals?

How are the transitions between the three phases of life span regulated in plants and animals?
  1. By environmental factors
  2. By hormones
  3. By both hormones and environmental factors
  4. Neither hormones nor environmental factors

Solution

Hormones and certain environmental factors regulate the transitions between the three phases in both plants and animals.

Asked in: NCERT

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