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Kendra Edmiston
Blume Ch.12.3 reinforcement
Question | Answer |
---|---|
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. |