Читать книгу A Guide for the Study of Animals - Worrallo Whitney - Страница 29

1 In what surroundings and how does the grasshopper's color protect it? What color markings has it which might serve for other grasshoppers to see as signals? Explain how this signaling is done.

2 Explain how the legs are placed so as to act as springs in jumping and alighting.

3 What advantages in having the wings attached on the upper side and the legs on the under side of the body?

4 Explain how the small wings are protective, and how the large ones are protected.

5 Why is it better for the grasshopper to have its mouth on the under side of its head instead of in front?

6 The large eyes are supposed to be far-sighted, the small ones near-sighted. State how the large eyes have the more advantageous position, and around how much of a circle they can see.

7 Describe how the grasshopper breathes.