ANIMALS 253 



must lead. Some animals, such as the vulture, are pro- 

 vided with strong claws to aid in securing food; the 

 long neck of the giraffe enables it to feed on the foliage 

 of the trees. Special weapons of defense are found in 

 many animals, such as the horns of a cow, the sting 

 of the bee, or the quills of the porcupine. Insects are 

 frequently colored like their surroundings to escape 

 detection. Animals like the moles, which 'live under- 

 ground, have the legs modified for digging or burrow- 

 ing. Even beginners in the study of animals can find 

 many examples of adaptation in the forms of life about 

 them. 



Questions 



1. Name the animals found in the region in which 

 you live. 



2. Are animals uniformly distributed over the sur- 

 face of the earth? 



3. Discuss the chief factors which determine the 

 distribution of animals. 



4. What is meant by adaptation? Give examples 

 of adaptations found in animals. 



