Crustaceans

What type of circulatory system do crustaceans have?

• Open

• Closed

• None

Lobsters often have two different size claws to:

• Eat, breathe

• Pinch, crush

• Sense, move

• Crush, breathe

What type of symmetry do crustaceans have?

• Bilateral

• Radial

• None

All crustaceans:

• have stinging tentacles

• are soft-bodied

• have jointed appendages

• are bioluminescent

All crustaceans:

• Have an exoskeleton

• Have 10 appendages

• Reproduce internally

• Have an internal skeleton

Why are barnacles considered crustaceans? (Two answers!!)

• Live in an exoskeleton

• Attach itself to substrates

• Have jointed appendages

• Filter feed

Tags

NGSS.MS-LS1-4

NGSS.MS-LS4-2

What phylum do crustaceans belong to?

• Animalia
• Echinodermata
• Arthropoda
• Cnidarian

Tags

NGSS.MS-LS4-2

The arthropod exoskeleton is made of

• chitin

• melanin

• resin

• carbohydrates

Why do arthropods have to shed their exoskeletons?

• it wears out
• they don't shed
• it limits the size they can grow
• to go from water to land environments

How many pair of antennae do crustaceans have>

• 4
• 2
• 1
• 3