EXERCISE 107 



While all living things must have the same nutrients (proteins, fuels, etc.), they do not all get their 

 from the same sources. And while all organisms must take into themselves certain materials from 

 ;ir environment, they do not all seize and ingest their food in the same way. 



In the following table indicate the sources, the organs, and the modes of ingestion that are 

 iracteristic of the feeding of the organisms named. 



FOOD-GETTING AND FOOD-INGESTION OF VARIOUS TYPES OF ORGANISMS 



TYPE OF ORGANISM 



NATURE OF FOOD 



ORGANS 



PROCESSES 



Ameba 



Maple tree 



Sponge 



rapeworm 



Ground beetle 



Mosquito 



Snake 



Barn swallow 



Cat 



[115] 



