Unit 8: Arthropods/Echinoderms

What is molting?

• The process in which arthropods reproduce
• The process in which arthropods shed their outer covering and grow a larger one.
• The process in which larval forms develop into adult forms
• The process in which arthropods breathe

The crab pictured is

• Male
• Female

What symmetry to most arthropods display?

• radial
• pentaradial
• bilateral 
• asymmetry

______ are the feathery filtering appendages or legs of a barnacle.

• Gills

• Cirri

• Carapace

By snapping it's claw the Pistol Shrimp can make communication sounds but also something far deadly. As the claw snaps shut, it fires a blast of

• bullets

• bubbles

• food

Hermit crabs are not true crabs but are more closely related to a

• lobster

• blue crab

• barnacle

• sea urchin

The arms of which type of arthropod are as powerful as a .22 bullet

• Mantis Shrimp

• Goose Barnacle

• Blue Crab

• Harlequin Shrimp

What is the largest group of arthropods?

• Decapods

• Insects

• Crustaceans

Crabs are often seen with legs missing. This is due to their defense strategy of purposely shedding a leg or claw to a predator. This is known as

• regeneration

• autotomy

The process of re-growing body parts is called

• regeneration

• evisceration

• molt