In lab today we looked at the different reproductive structures of crayfish and I was wondering how the males went about fertilizing. If they implanted sperm with there Copulatory swimmerets or some other way...this video wasnt exactly what i had in mind, the music is hilarious!
http://www.redorbit.com/news/science/57130/fossil_confirms_that_early_arthropods_molted/
I didnt know how long molting had been part of Arthropods life cycles...thats a long time with no change. Seems to be alot more advantageous than I thought...
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