These layers of respiratory tissue are stacked like the pages of a book and are present in arachnids.
What are book lungs?
This class include spiders and scorpions.
What is Arachnida?
The type of circulatory system in arthropods.
What is an open system?

The fusion of the head and thorax in arthropods is called a...
What is a cephalothorax?
Identify this Holiday Movie.

What is A Christmas Story?
The tough external covering of an arthropod is called this.
What is exoskeleton?
What is Malacostraca?
The type of reproduction in arthropods.
What is sexual with internal fertilization?
The type of "blood" found in arthropods.
What is hemolymph?
Finish the lyric... Frosty the snowman...
was a jolly, happy, soul.
This mean jointed foot.
What is Phylum Arthropoda.
The class that contains the largest number of arthropods.
What is Insecta.
The mouthparts that grinds up food and manipulates food.
What are mandibles and maxillae?
What is tagmata?
Identify the holiday song in square #11.

What is Deck the Halls?
The evolutionary innovation in Arthropods.
What is jointed appendages?
The class this arthropods belongs to.
What is diplopoda?
The function of malpighian tubes (purple strands).

What is excretion of waste and filtering hemolymph.
The total number of legs for each group: Insects, spiders, and crayfish.
What 6, 8, and 10?
Identify the Holiday Movie.
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What is Elf?
An arthropod's exoskeleton is made of this carbohydrate material.
What is chitin?
Identify the class for this arthropod.
What is the chilopoda?
The three body segments of insects.
What are head, thorax, and abdomen?

Arthropoda comes from the Latin meaning this
What are jointed foot?
Listen Up: What is the name of this holiday song?
What is Christmas Wrapping?