Chp 21 - Annelids

Phylum Annelida literally means ___________.

• Little rings

• Little setae

• Blood suckers

• Metamerism

• Parapodia

Phylum Annelida falls under which kingdom?

• Animalia

• Planta

• Fungi

• Bacteria

• None of the above

Sometime annelids are also known as ______________

• Round worms

• Hook worms

• Bristle worms

• Flat worms

• Wriggle worms

Which of the following is NOT a characteristic of annelids?

• Contain segments

• Have metamerism

• Have muscles

• Lack setae

• Bilateral symmetry

Which of the following is a characteristic of annelids?

• Lack muscles

• Lack a complete digestive system

• Are only hermaphroditic

• Open circulatory system

• Can only breathe through skin

How can annelids breathe?

• Skin

• Gills

• Parapodia

• Skin, gills, and parapodia

• Only through skin and gills

How can annelids reproduce?

• Hermaphroditic

• Sexual reproduction

• Asexual reproduction

• Sexual, asexual, and hermaphroditic

• Only sexual and asexual reproduction

What is a closed circulatory system?

• Blood flows through blood vessels

• Blood can leave blood vessels

• Air is able to pass through skin

• Air is absorbed through gills

• Blood cannot clot

Having both male and female reproductive organs in the same individual.

• Hermaphroditic

• Coelom

• Clitellum

• Polychaeta

• Parapodia

Annelids have what kind of skeleton?

• Endoskeleton

• Exoskeleton

• Hydrostatic skeleton

• Mesoskeleton

• None of the above