归纳就是从许多同类的个别事物中，概括出一般原理或原则；演绎就是运用一般性原理、原则，推导出对个别新的个别事物的认识。归纳与演绎相结合，体现的唯物辩证法的哲理是：（  ）

从方框中选词并用其适当形式填空 

Many____like playing computer games after school. 
Rui Chenggang is a ____ from CCTV. 
Mrs Green likes writing ____for children.
As a____ ,  he works late at night.
During big festivals,  the ____ are very busy.  

自然界中的生物，通过激烈的生存斗争，适者生存，不适者被淘汰,这种现象属于