|
|
|||||||||||||||||||
![]() ![]() |
|||||||||||||||||||
Biology4Kids Quiz: Nervous SystemQUESTION 1: INCORRECT Not all organisms have complex nervous systems. Some simple organisms have no nervous system, nerve nets, or radial nervous systems. A sponge is an animal. There's a big difference between a sponge's sensory system and yours. > Continue to Next Question > Restart Quiz |
|
||||||||||||||||||
![]() ©copyright 1997-2007 Andrew Rader Studios, All rights reserved. |
|||||||||||||||||||
|
|
|||||||||||||||||||