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- Why does a parasitic organism not have to be a parasite?Is it more beneficial for Neodermata to have one host or two hosts? Neodermatahas two classes: class Trematoda and class Monogenea. Class Trematoda has the subclass Digenea, which has organisms that live through at least two different hosts. An example of this is Fasciola hepatica, the sheep's liver fluke. Class Monogenea has organisms that only need to live through one host. Is it better to have a simple or complex life cycle? Which lives longer? Has more energy? Does more damage or good?Why would a parasite develop a life cycle involving an intermediate hosts? What is this giving the parasite? Provide example(s)
- why is evolutionarily advantages for most parasites to be monoecious ?What is the origin of parasites?What is the purpose of an intermediate host for parasite replication? Why have some organisms evolved to use an intermediate host and a definitive host while others just have a definitive host? asap
- How does the parasite affect the host in a way that it hastens the progress of its life cycle?Platyhelmenthes (flat worms) These creatures have unique regeneration properties. What does that mean? We looked at a few parasitic examples of this group. Be able to identify the life cycle of one or more of these individuals. What is a primary host? A secondary host? Distinguish between turbellaria, trematode and cestodaParasitism is a symbiotic relationship, where the parasite (symbiont) obtains nutrients from its host. 1) Contrast endoparasitism and ectoparasitism. 2) Describe one invertebrate endoparasite you find interesting and identify its definitive host (and any intermediate hosts). 3) Describe one invertebrate ectoparasite you find interesting and identify its definitive host (and any intermediate hosts).
- Why have molecular biologists sequenced the genomes of severalparasitic protists?What is obligate parasite?Describe the life cycle of the human hookworm? How was john D. Rockfeller and southern US commerce involved in this story?how far away from a pile of poop can a hookworm crawl before dying? How did Rockfeller's medical investigators eradicate the hookworm problem, as well as many excrment- related parasitic disease?