Invertebrates Crossword Puzzle

Download and print this Invertebrates crossword puzzle. Use a pencil or pen to complete the puzzle by filling in the blanks. The completed answers are included, so you can easily check your progress.

Invertebrates Crossword Puzzle

PDF will include puzzle sheet and the answer key.

 
Edit Print PDF - Letter PDF - A4

Browse all Science Puzzles

QUESTIONS LIST:

  • platyhelminthes: flatworms
  • trochophore: ciliated larvae of molluscs.
  • appendages: arthropods have jointed _ .
  • acoelomates: animals that lack a body cavity.
  • choanocytes: specialized cells that engulf bacteria by phagocytosis.
  • nematocysts: specialized organelles of cnidocytes that function to stun and capture prey.
  • diploblastic: cnidarians are _ , meaning they have two tissue layers.
  • segmented: annelids are commonly known as _ worms.
  • osculum: in sponges, water is drawn into the spongocoel and flows out through the _ .
  • visceral: the _ mass contains most internal organs of molluscs.
  • mantle: fold of tissue that secretes the shell of molluscs.
  • cuticle: exoskeleton made of layers of protein and chitin.
  • calcareous: echinoderms have an exoskeleton of hard _ plates.
  • metamorphosis: insects undergo incomplete or complete _ .
  • decapods: crustaceans such as lobsters, crabs, crayfish, and shrimp.