Arthropods & Crustaceans Quiz

What is the primary feature that distinguishes arthropods from other invertebrates?

• Presence of a backbone

• Ability to fly

• Exoskeleton made of chitin

• Presence of a single, central eye

Which class do crabs belong to?

• Insecta

• Arachnida

• Crustacea

• Myriapoda

What is molting in the context of arthropods?

• The process of laying eggs

• The process of shedding the exoskeleton to grow a new one

• The transition from larva to adult

• The act of hunting for food

Which of the following is NOT a characteristic of arthropods?

• Bilateral symmetry

• Segmented bodies

• Cold-blooded

• Endoskeleton

What is the term for the study of insects, which are a subgroup of arthropods?

• Herpetology

• Entomology

• Ichthyology

• Ornithology

Which of the following arthropods is primarily terrestrial?

• Shrimp

• Spider

• Lobster

• Krill

What is the name of the subphylum that includes crabs, lobsters, and shrimp?

• Hexapoda

• Myriapoda

• Chelicerata

• Crustacea

How do arthropods grow?

• Continuous growth without shedding their exoskeleton

• By expanding their exoskeleton

• Through molting their exoskeleton

• By absorbing water to increase size

What is the primary function of the antennae in crustaceans?

• For breathing

• For mating rituals

• For sensing the environment

• For locomotion

Which of the following is a unique feature of arachnids within the arthropod phylum?

• They have six legs.

• They have two body segments.

• They have wings.

• They have eight legs.