Worms and Mollusca

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

• Annelida
• Platyhelminthes
• Nemotoda
• Nemertea

Which phylum of worms has the most species?

• Annelida
• Platyhelminthes
• Nemotoda
• Nemertea

Annelida means:

• "pore bearing"
• "little rings"
• "soft body"
• "earth worm"

What is the spear like appendage on the head of some worms that are used for killing prey?

• Coelom
• Parapodia
• Ganglia
• Proboscis

What are the nerve cell clusters called that act as a simple brain?

• Choanocytes
• Spicules
• Ganglia
• Parapodia

What 2 Phylum's of worms have the ability to reproduce asexually through regeneration?

• Nermertea & Annelida
• Nemotoda & Platyhelminthes
• Nemertea & Platyhelminthes
• Annelida & Nemotoda

Which animal represents the most common marine annelid?

• Sand worm
• Earth Worm
• Ribbon worm
• Tapeworm

What's the common name of the deep sea, gutless worm that live near hot water sea vents?

• Tusk shells
• Giant tube worms
• Sand worms
• Krill

A stiff hair, bristle or bristle like process or part on an organism

• Ganglia
• Setae
• Parapodia
• Nephridia

What is the purpose of the visceral mass in mollusks?

• It holds the organs
• It protects the body
• Reproduction
• Locomotion