WHAT KINDS OF THINGS ARE LIVING? 25 



4. Under what circumstances is each form of locomotion used ? 



5. In what way does the ability to move about help the grasshopper ? 



6. How might an organism be able to keep alive without any means 

 of locomotion? 



7. Of what movements is the grasshopper capable, other than those 

 of locomotion? 



8. How do these movements help in the life of the grasshopper ? 



9. What is there about the organs of locomotion that fits them for 

 the special work they do? 



10. How could an animal get along without the abihty to carry on 

 these movements ? 



11. What kinds of organs can you find in the grasshopper but not in 

 the human body ? 



12. In what way are any of these organs essential to life ? 



13. How are the corresponding functions carried on in your own body ? 



14. How are the corresponding functions carried on by a plant ? 



15. Make a table of four vertical columns headed: 



Functions Grasshopper Man Plant 



In the first column (functions) list all the distinctive activities and 

 processes of living things. 



In the second column name the structures or organs of the grass- 

 hopper that are related to the corresponding functions or processes. 



In the third and fourth columns carry out the same idea for man and 

 for a plant respectively. 



REFERENCE READINGS 



Densmore, H. D. General Botany, pp. 14-19. 



Gager, C. S. Fundamentals of Botany, chap, ii, The Parts of a Flower- 

 ing Plant. 



LuTZ, F. E. Fieldbook of Insects. 



FoLsoM, J. W. Entomology, with Special Reference to its Biological and 

 Economic Aspects, chap, ii, Anatomy and Physiology; sect, i, Skele- 

 ton (pp. 21-56), sect. 2, Integument (pp. 56-68). 



Farmers* Bulletin 606, Collection and Preservation of Insects and Other 

 Material for Use in the Study of Agriculture. 



Hough and Sedgwick. The Human Mechanism, chap, i, The Human 

 Mechanism. 



