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Samuel Darvish

Blume - Ch 12.3 Extension

Worms are divide into two types ____ and _____. Roundworms and Tapeworms
Worms have what kind of symmetry? Bilateral
All worms are______with three tissue layers. Invertebrates
_____ and _____ are types of parasite flatworms. Tapeworms and flukes
Planarians are what kind of flatworms? free-living
Roundworms are the first group of animals to evolve with a digestive system with what two things? Mouth and anus
What kind of parasite attacks dogs? Heartworms
Roundworms compromise a group of worms known as______ Nematodes
How does a tapeworm eat? Tapeworms attach themselves in a host's intestine and absorb food the host has digested.
Describe the life cycle of a fluke. The eggs are fertilized in the female and she lays the fertilized eggs in a host. The eggs leave in the host's waste and often infect snails after being deposited in water.
What is the most widespread human disease caused by flukes? Schistosomiasis
Name three ways roundworms are helpful to humans. 1. Provide healthy soil. 2. Roundworms fight insects 3. Kill ticks that cause Lyme disease
Created by: sdarvish