Question

scientists know that chimpanzees rank high in intelligence among animals. they are not always prepared for the unexpected. take the time an experimenter hung a banana from the ceiling of an empty room, just above reach. when he scattered boxes on the floor, what would the chimp do? would he stack the boxes until they were high enough so he could climb on them to reach the banana? the chimp had an idea of his own. he took one look at the banana, then he grabbed the man by the leg, dragged him back to a spot directly beneath the fruit. with one leap, he jumped on the shoulders of the man and got the fruit. all this took a fraction of the time he would have needed to stack up the boxes. choose the main idea for the paragraph. 1. scientists try out a new trick. 2. a man is better than boxes. 3. a chimpanzee shows his intelligence. 4. boxes can be used to solve many problems.

Explanation:

The paragraph focuses on a chimpanzee's ability to stack boxes to reach a banana, demonstrating its intelligence. It emphasizes the chimpanzee's problem - solving skills.

Answer:

1. A chimpanzee shows his intelligence.