निम्नलिखित में से कौन सी जैविक प्रक्रिया मुख्य रूप से अधिगम (सीखने) का प्रत्यक्ष उत्पाद होने के बजाय एक जन्मजात आनुवंशिक विकास है?

A teacher is teaching children by the demonstration of a task to correct the performances of an already learned task. The teacher is using the ______ method of teaching.

The task in which the children get experience while enjoying themselves is known as a/an ______.