Phylum Arthropoda

Which of the following is true of all Crustaceans?

• They have venom.

• They live in the sea.

• They use chelicerae for eating.

• They have 6 legs.

Which of the following is true of hexapods?

• They have 6 legs.

• They defend themselves with chelipeds.

• They use pedipalps for sensing.

• They have 8 legs.

Which of the following is true of chelicerates?

• They have 8 legs.

• They have wings for flight.

• Tehy have antennae for sensing.

• They have chelipeds for defense.

What is not a common characteristics of all arthropods?

• They have jointed appendages.

• They molt to grow.

• They have an exoskeleton.

• They have a cephalothorax.

Which term means complete metamorphosis?

• Ametabolism

• Holometabolism

• Hemimetabolism

• Metabolism

What type of metamorphosis is represented in the picture?

• Holometabolism

• Hemimetabolism

• Ametabolism

• Metabolism

Which statement describes eusociality?

• Cicadas singing mating calls.

• Crabs molting in a group.

• A worker ant finding food.

• Scorpions competing for sapce.

Which subphylum of arthropods contains crayfish?

• Crustacea

• Myriapoda

• Hexapoda

• Chelicerata

Which subphylum of arthropods contains spiders and scorpions?

• Crustacea

• Hexapoda

• Chelicerata

• Myriapoda

Which subphylum of arthropoda contains dragonflies, crickets, and other insects?

• Crustacea

• Chelicerata

• Myriapoda

• Hexapoda