What is an Arthropod

Which of the following characteristics define arthropods? Select all that apply.

• Jointed apendages

• Foot, mantle, and visceral mass

• Fixed appendages without joints
• Soft bodies with shells
• Hard exoskeleton

Millipedes are arthropods with​ (a)   legs per body segment.

• 4
• 2
• 3
• 1

Centipedes look similar to millipedes, but they differ in that they have​ (a)   legs per body segment.

• 2
• 3
• 4
• 1

Crustaceans are a group of arthropods with​ (a)   legs (in pairs), ​ (b)   antennae, and ​ (c)   body segments.

• 10 or more
• 4
• 2
• 8
• 6

Arachnids are a subphylum or arthropods with​ (a)   legs (in pairs)​ (b)   antennae, and ​ (c)   body regions.

• 8
• 0
• 1 or 2
• 2
• 4
• 6
• 10 or more

Insects are a group of arthropods with ​ (a)   body segments, ​ (b)   antannae, and ​ (c)   legs.

• 3
• 2
• 6
• 1
• 4
• 8

Based on the information in the video, what do you think scientists would most likely use to classify a newly discovered arthropod?

• Size and weight measurements
• Number of legs, body segments, and antennae

• Color patterns and habitat location
• Behavioral traits and feeding habits

Which arthropod class can have wings?

• Crustacea
• Insecta
• Arachnida
• Myriapoda