Crayfish Anatomy Review

The middle region of the body between the head and abdomen?

• Swimmerets
• Rostrum
• Thorax
• Telson Tail

Small appendages on the underside of the abdomen used to circulate water and to carry eggs in females?

• Swimmerets
• Cephlothorax
• Telson Tail
• Maxilliped

Large sensory appendages used as feelers on the head of the crustacean?

• Swimmerets
• Maxillae
• Antennas
• Maxilliped

What crayfish appendage is #2?

• Eyes
• Pincer
• Antennules
• Rostrum

What crayfish body part is #8?

• Thorax
• Abdomen
• Telson Tail
• Head

What crayfish body part is #6?

• Thorax
• Abdomen
• Antennule
• Walking Legs

In the crayfish diagram, what part of the crayfish is being identified?

• Abdomen
• Antennae
• Cephlothorax
• Maxilliped

What does Humane Treatment mean?

• Being Human
• Treating objects like they are human
• An organism that has human characteristics
• Treating a living thing in a way that keeps it from suffering

Which of the following is NOT a classroom rule when working with crayfish?

• Always sit with your friends when working with the crayfish
• Treat crayfish humanely
• Feed the crayfish on a regular basis
• Ask your teacher before handling or touching crayfish

What crayfish body part is the arrow pointing to?

• Head
• Pincers
• Antennule
• Antennas