Multiple choice

Two common characters found in centipedes, cockroaches and crabs are

  1. compound eyes and anal cerci

  2. jointed legs and chitinous exoskeleton

  3. green gland and tracheae

  4. book lungs and antennae

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Centipedes (class Chilopoda), cockroaches (class Insecta), and crabs (class Crustacea) are all arthropods, which are characterized by jointed appendages and a hard exoskeleton made of chitin. These two features are universal across all arthropod groups. Compound eyes and book lungs are not present in all arthropods.

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