Which of the following is NOT a characteristic of arthropods?

Which of the following is NOT a characteristic of arthropods?

Step 1: Understand what arthropods are. Arthropods are a group of animals that include insects, spiders, and crustaceans.
Step 2: Identify the main characteristics of arthropods. They have an exoskeleton (a hard outer shell), jointed legs, and segmented bodies.
Step 3: Know what a vertebral column is. A vertebral column is a backbone found in vertebrates (animals with backbones).
Step 4: Compare the characteristics. Arthropods do not have a vertebral column; instead, they have an exoskeleton and jointed appendages.
Step 5: Determine which option is NOT a characteristic of arthropods. The absence of a vertebral column is the correct answer.

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