Arthropods Review

They are invertebrates with an exoskeleton, segmented body, and jointed appendages. They have an open circulator system and reproduce sexually. What are they?

• Arthropod
• Crustacean
• Arachnid
• Insect

Which of the following is NOT a characteristic of arthropods?

• Exoskeleton

• Jointed appendages

• Segmented body

• Endoskeleton

Tags

NGSS.MS-LS4-2

What type of circulatory system do arthropods have?

• open

• closed

The exoskeleton of an arthropod is made of which of the following?

• chitin

• dentin

• protin

• chlorotin

Which of the following is NOT a function of the exoskeleton

• Protection

• Prevents water loss

• Attachment of muscles

• Aids in digestion

Since the exoskeleton limits the growth of arthropods, they have to shed their exoskeletons and form a new one. This is called ____.

• defecating

• molting

• morphing

• excreting

Which of the following does not belong in subphylum Crustacea?

• Crayfish

• Crabs

• Shrimp

• Millipedes

Tags

NGSS.MS-LS4-2

Which of the following correctly describes a crayfish's body regions?

• head, thorax, abdomen

• head, abdomen

• cephalothorax, abdomen

• head, cephalothorax

Which of the following are considered to be "true jaws" that chew food?

• Mandibles

• Maxillae

• Maxillipeds

Which of the following crayfish structures is used for gas exchange?

• Malpighian tubules

• Green glands

• Gills

• Book lungs