Arthropods

Roughly ____ of all known species are arthropods.

• 1/2

• 3/4

• 2/3

• 1/4

Arthropod means...

• jointed foot

• segmented body

• stomach foot

• head foot

The exoskeleton of an arthropod is called the...

• chitin

• cuticle

• hemolymph

• Mjollnir Mk II armor.

Arthropod exoskeletons are made out of...

• protein and chitin.

• calcium carbonate only.

• appendages.

• peptidoglycan.

Olfactory receptors can detect...

• taste.

• touch.

• smell.

• light.

Molting...

• costs an arthropod a lot of energy to do.

• doesn't require a lot of energy to do.

• makes an arthropod temporarily invincible.

• is sus.

Instead of blood, an arthropod heart circulates...

• protein.

• hemolymph.

• poison.

• slime.

Claw-like feeding appendages in arthropods are called...

• antennae.

• chelicerae.

• spiracles.

• pedipalps.

Which of the following is an arachnid?

• lobster

• horseshoe crab

• sea spider

• tick

______________ can be used for sensing, feeding, defense, or reproduction.

• Chelicerae

• Pedipalps

• Cuticle

• Hemolymph