Wood Destroying Organism (WDO) Home Inspection Practice Exam

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Which of the following is NOT a characteristic of insects?

Segmented body
Eight legs
Exoskeleton
Compound eyes

The correct answer is: Eight legs

Insects are classified within the phylum Arthropoda and are characterized by several distinct features. One of the primary characteristics of insects is their segmented body, which is typically divided into three main parts: the head, thorax, and abdomen. They also possess an exoskeleton made of chitin, providing structural support and protection. Additionally, many insects have compound eyes, which are made up of numerous tiny facets, allowing them to detect movement and see in multiple directions. However, insects do not have eight legs; instead, they typically have six legs, which is a defining feature of this class. The presence of eight legs is characteristic of arachnids, such as spiders and scorpions. Therefore, identifying "eight legs" as a non-characteristic of insects is accurate. It highlights the fundamental distinction between insects and other arthropods, emphasizing the six-legged nature of insects.