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Blume Ch. 12.3 Reinforcement

Worms are divided into two types, what are they? Planarians and Flukes
All worms are vertebrates or invertebrates? invertebrates
What type of symmetry do worms have? Bilateral
True or false- Flukes and Tapeworms are types of parasite flatworms? True
Parasites depend on a host organism to meet their needs. Planarians however, are __________ flatworms. Free-living
Roundworms were the first group of animals to evolve a digestive system with a ________ and a _______. Mouth and Anus
True or False- Roundworms that attack dogs are not parasites? False, they are parasites
How does a tapeworm eat? It absorbs food that is digested by the host from its host's intestine
What is the most widespread human disease caused by flukes? Schistosomiasis
How are roundworms helpful to humans? they help fight insects,kills ticks that cause lyme disease,help provide healthy soil, and they help in cycling nutrients such as nitrogen.
Describe the life cycle of a fluke The eggs are fertilized in the female, she lays the fertilized eggs in a host. The eggs leave in the host's waste, often infect snails after losing.Deposited in water, like humans, can be infected while wading or swimming.
Created by: drangel