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Kendra Edmiston

Blume Ch.12.3 reinforcement

Worms are divided into 2 types what are they? flatworms and roundworms
All worms are what with 3 tissue layers? invertebrates
Worms have what type of symmetry? bilateral
What are the 2 types of parasite flatworms? tapeworms and flukes
Planarians are ____________ flatworms free-living
Roundworms were the 1st group of animals to evolve a digestive system with a _________ and ________. mouth and anus
________ attack dogs, are parasites. Heat worms
Roundworms comprise of a group of worms known as ___________________. nematodes
How does a tapeworm eat? They attach themselves in the host's intestines and absorb food the host digested.
Describe the life cycle of a fluke. The eggs are fertilized in the female and she lays the fertilized in a host. the eggs leaves in Then leaves host's waste and often infect snails.
What is the most widespread human disease caused by flukes? Schistosomiasis
List 3 ways roundworms are helpful to humans? Roundworms help fight insects,may be used to kill ticks that cause Lyme disease and help provide healthy soil.
Created by: kedmiston