Arthropods 1

What is the advantage of metamorphosis?

• It enables arthropods to exchange genetic information
• It enables arthropods to grow larger
• It reduces competition
• It reduces disease

Which groups have 2 body segments: cephalothorax and abdomen?

• Chilopoda and Insecta
• Diplopoda and Chilopoda
• Arachnids and Crustaceans
• Crustaceans and Insecta

What is molting and ecdysis?

• The process in which arthropods reproduce

• The process in which arthropods grow a larger exoskeleton and shed the old one

• The process in which larval forms develop into adult forms

• The process in which arthropods breathe

Which subphylum do spiders, ticks, and scorpions belong to?

• Crustacea

• Chelicerata

• Chilopoda

• Insecta

Which group of arthropods have 3 body segments: head, thorax, and abdomen?

• Diplopoda
• Chilopoda
• Arachnids
• Insecta

Which group of Arthropods have two pairs of legs per body segment?

• Chilopoda (centipedes)
• Diplopoda (millipedes)
• Insecta
• Crustacea

What two characteristics do all Arthropods have?

• two legs per body segment
• jointed legs and a cephalothorax
• three body segments and metamorphosis
• jointed legs and segmented bodies

Beetles, grasshoppers and moths are all examples of...

• Arachnids
• Crustaceans
• Insecta
• Diplopoda

What type of circulatory system do Arthropods have?

• closed
• open

Centipedes are an example of what group of Arthropods?

• Chilopoda
• Mammalia
• Arachnida
• Birds