Ask your own question, for FREE!
Biology 13 Online
OpenStudy (sneakysquash):

Annelids, like the earthworm, and arthropods, like insects or spiders, have three main structures in their nervous systems: _____. -a brain, a dorsal nerve cord, and a ventral nerve cord -a brain, segmented ganglia, and a ventral nerve cord -segmented ganglia, a dorsal nerve cord, and a ventral nerve cord

Can't find your answer? Make a FREE account and ask your own questions, OR help others and earn volunteer hours!

Join our real-time social learning platform and learn together with your friends!
Can't find your answer? Make a FREE account and ask your own questions, OR help others and earn volunteer hours!

Join our real-time social learning platform and learn together with your friends!