Question

'All living things respond to external stimuli. Justify this statement with examples.

Answer 1

Yes.its true.
The ability of an organism or organ to respond to external stimuli is called sensitivity.

eg:- When you touch a hot object/sharp object you pull back your hand.

Sunflower moves in the direction of the sun.

Watering of mouth when we see delicious food.

Closing of eyes when we see anything coming towards it.

When we get a bad smell we close our nose.

Some small plants close their leaf when we touch them.
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All these are examples of response to stimuli.