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Biology 20 Online
OpenStudy (anonymous):

flatworms have a concentration of nerve tissue and organs in one end of the body.what is the name of this characteristic

OpenStudy (anonymous):

help

OpenStudy (carniel):

The term is called Cephalization and it refers to the degree of development of the brain. The evolutionary trend is more elaborate and sensitive sense organs and increased cephalization. Sorry about that :\

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