Crayfish Dissection Quiz

Crayfish are omnivores. What does that mean?

• They eat plants and animals.
• They eat only plants.
• They eat only animals.
• They don't eat.

What are crayfish?

• mammals
• amphibians
• crustaceans
• none of these

Where do crayfish live?

• salt water
• land
• trees
• fresh water

Tags

NGSS.MS-LS2-1

Why do crayfish molt?

• the exoskeleton is hard and gets broken
• they like to molt so they are soft
• as a crayfish grows the exoskeleton doesn't grow so it must be replaced.

Which kingdom do Crayfish belong to?

• Arthropoda

• Decapoda

• Crustacea

• Animalia

Crayfish belong to which phylum?

• Arthropoda

• Crustacea

• Decapoda

• Animalia

What is it called when crayfish lose their shell and grow a new one?

• changing shells
• growing
• jointed
• molting

Since crayfish live in water, they breathe with lungs.

• True
• False

Crayfish use ____ to grab food and protect themselves

• Antenna

• segments

• chilapeds

• cephalothorax

Tags

NGSS.MS-LS1-4

Which word means jointed appendages?

• Decapoda

• Crustacea

• Kneepoda

• Arthropoda