Final answer:
Wood-boring insects, such as beetles, have individual teeth that are designed primarily for wood. Examples include dragonflies, grasshoppers, beetles, and caterpillars.
Step-by-step explanation:
Wood-boring insects, such as beetles, have individual teeth that are designed primarily for wood. These teeth are used for biting off pieces of wood and grinding them down to be ingested as food. Examples of wood-boring insects include dragonflies, grasshoppers, beetles, and caterpillars in their larval stages.