Answer:
Responsiveness to the environment or reaction to stimuli
Explanation:
The characteristics displayed by the deer is referred to as responsiveness to the environment or response to stimuli.
All living things show some degree of responsiveness to changes in their environment. Living things respond in different ways to a particular stimuli, take for example, the response of the deer. The deer senses danger as it seems Molly when Molly stepped on the twink making it to snap. This puts the deer in red alert which made it bounds away.
✅Responsiveness to the environment or reaction to stimuli is what the deer displayed in this instance.