The period is a specific, but limited, time usually early in an organism's life, during which the organism is particularly susceptible to environmental influences relating to some particular facet of development.

Sensitive period

Explanation:

The sensitive period is a specific, but limited, time usually early in an organism's life, during which the organism is particularly susceptible to environmental influences relating to some particular facet of development. The sensitive period of development is a period when the organisms responsiveness to certain stimuli such as environmental stimuli is highest and are more likely to learn new things. It s necessary at the stage in the organisms life to have a stable environment as the absent of this may result in its inability to thrive.