Worms & Mollusk Review

What is cephalization? 

• Having male and female parts.
• A concentration of sense organs and nervous system at the anterior end of the body. 
• Feeding off of another organism.
• Breathing through the skin.

These Heartworms, Pinworms, Hookworms, and Liverworms are all which type of worms?

• Nematoda

• Flatworms

• Annelids

• Mollusk

Which of the following is not a class of the Phylum Platyhelminthes?

• Nematoda
• Trematoda
• Cestoda
• Turbellaria 

This type of flatworm (pictured) is free-living in freshwater and marine environments.

• sheep liver fluke

• planarian

• hookworm

• tapeworm

Tags

NGSS.MS-LS2-1

What type of symmetry do all worms have?

• bilateral

• radial

• asymmetry

• spherical

Which worm phylum includes planarians, tapeworms, and flukes?

• Platyhelminthes

• Nematoda

• Onychophora

• Annelida

Tags

NGSS.MS-LS4-2

Which name best describes an organism that lives in or on another and feeds from that organism's tissues or fluids?

• decomposer

• host

• parasite

• scavenger

What is the common name of Phylum Nematoda?

• Earthworm

• Roundworm

• Flatworm

Which phylum of worms has a bilateral symmetry, one-way digestive system, respiration through skin, hydrostatic skeleton and segmented body?

• Annelida
• Platyhelminthes
• Nemotoda
• Nemertea

Tags

NGSS.MS-LS4-2

Which phylum of worms are pseudoceolomates?

• Platyhelminthes
• Nematoda
• Annelida