BIOL 1070 Lecture Notes - Lecture 2: Invertebrate, Internal Fertilization, Glochidium
17 Oct 2016
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Document Summary
Keep a list of technical terms and learn them also keep the list handy. Describe as many traits of the native unionid mussels and of the invasive zebra mussels as you can. (in this region, specific to this type) This information is from the online information (readings for wk1 quiz) Fish host, juvenile, adult, glochidla, fish host (cycle) Needs to get the larva into the fish gills fish move larva does not. Glochidia enclosed in a membrane capsules that minic host prey. Survival of the fittest is a factor here fish prefer certain traits. Packets of glochidia, eaten by host or stick to host. Mussel physically grips the host to infect them. Does not kill the fish, reduces the fitness mussels can kill the fish not larva. Modified mantle tissue catches fish attention to attract host. Modified mantle tissue mimics fish invertebrate prey item to attract fish host.
