6 THE ORIGIN OF PLANT AND ANIMAL CHILDREN 
Sex. — Sexual reproduction is found in all the great divi¬ 
sions of the plant and animal world, and is the only kind of 
reproduction possessed by the higher animals. In many of 
The asexual reproduction is shown by the two buds on the right side, 
which will separate from the parent and become independent individuals 
when they have reached their full development. Sexual reproduction is 
accomplished by the organs at the left side of the figure. The single sper¬ 
matozoon is more highly magnified than the spermatozoa within the 
spermary. 
