Arthropoda

Aquatic Arthropoda

Multiple Choice

The word 'arthropoda' means...

• eight foot
• jointed foot
• flexible foot
• hard foot

Multiple Choice

What symmetry to most arthropods display?

• radial
• pentaradial
• bilateral 
• asymmetry

Multiple Choice

What is the exoskeleton of arthropods made of

• Cellulose

• Peptidoglycan

• Chitin

• Cartilage

Multiple Choice

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

Multiple Choice

Which of these subphylums is extinct?

• Crustacea

• Myriapoda

• Hexapoda

• Trilobitomorpha

Multiple Choice

Lobster, shrimp, and crabs are examples of what group of Arthropods?

• Chilopoda
• Diplopoda
• Crustaceans
• Arachnida

Multiple Choice

What phylum are crustaceans a part of?

• Arachnids
• Arthropods
• Animals
• Invertebrates

​Here are examples of a crab life cycle and lobster life cycle.

Do you see how different a baby crab looks than a baby lobster?​

Multiple Choice

The first stage of a blue crab is....

• juvenile 
• megalopa
• zoea
• chilliped

Multiple Choice

The nickname for a male blue crab is _______________.

• Sook
• Sally
• Johnny
• Jimmy

Multiple Choice

A mature female blue crab is called a

• Suzie
• Sally
• Sook
• Sarah

​Decapods

​Hermit crabs are decapods (10 legs)

​

In the shell there are small pairs of 4th & 5th legs

​

Those legs hold onto the inside of the shell & clean the gills

Multiple Choice

What Arthropod has the greatest biomass of any singles species on Earth.

• Insects
• Spiders
• Krill
• Crabs

Multiple Choice

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