Arthropoda (general)
Chelicerata
Hexapoda
Myriapoda
Crustacea
100

This is the characteristic that "Arthropoda" means.

What are jointed appendages/feet?

100

This is the number of legs all chelicerates have.

What is 8?

100

These are the three segments in hexapods.

What is the head, thorax, and abdomen?

100

This is the class (scientific name) of Myriapods that can inject venom.

What is Chilopoda?

100

This is what the Crustacean exoskeleton has that makes it extra tough that other Arthropods do not have.

What is calcium carbonate?

200

This is the type of metamorphosis that has 4 stages (egg, larvae, pupae, adult).

What is complete metamorphosis?

200

Spinnerets are responsible for expelling this.

What is silk?

200

Because most insects do not live very long, behaviors are naturally occurring. This is the term for that.

What is instinctual?

200

This is the type of appendages that Myriapods have that means unbranched.

What is uniramous?

200

These sensory cells take in information about which way the body is oriented.

What are statocysts?

300

This is the term for shedding the exoskeleton in order to grow.

What is ecdysis?

300

An example of this is with black widow spiders. Male black widow spiders are small and brown while, females are larger and have a red hourglass shape on their abdomen.

What is sexual dimorphism?

300
These structures run along the abdomen of hexapods to breathe.

What are spiracles?

300

Aside from the head and next three segments, diplopods have this many pairs of legs on each body segment.

What is 2 pairs?

300

These organisms are in the class Malacostraca and may be small but can form swarms large enough so that whales get full. 

What are krill? Or what is the order Euphausiacea?

400

This is the carbohydrate that makes up arthropod exoskeleton.

What is chitin?

400

Horseshoe Crabs is a misnomer for this group of chelicerates. Although they have adaptations to marine environments, these are some features that make them chelicerates and not crustaceans.

What are having 8 legs? What are having chelicerae?

400

This is the term for aquatic nymphs during incomplete metamorphosis.

What are naiads?

400

This is a way that centipedes avoid being eaten by predators.

What is having false antennae? Or what is having venomous fangs/claws?

400

Also known as swimmeret, these appendages on the underside of the abdomen help with anything from swimming mainly and reproduction when the animal is mature.

What are pleopods?

500

This is the main advantage of metamorphosis.

What is the adult and young utilizing different resources?

500

This is a small group of chelicerates known mainly for their ability to shoot acid when threatened.

What are vinegaroons?

500

This type of camouflage is very impressive and allows many Hexapods to hide from their predators. Some examples are looking like leaves, sticks, flowers, large predator eyes, etc.

What is mimicry?

500
This is what you should do if a millipede leaks stinky yellow liquid on your hands.
What is wash your hands with soap and water?
500

Lots of Arthropods have this feature that allows offspring the best chance at survival. An example is with sea monkeys when the small ponds and puddles they live in dry up.

What is egg or embryonic dormancy?

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