An arthropod with eight legs in the adult stage; spiders, scorpions, mites, and ticks are examples of which group?

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Study for the Virginia Commercial Applicator Turf Category 3B Exam. Use flashcards and multiple-choice questions with helpful hints and explanations. Prepare effectively for your exam!

Multiple Choice

An arthropod with eight legs in the adult stage; spiders, scorpions, mites, and ticks are examples of which group?

Explanation:
Eight legs in the adult stage identifying feature points to a specific arthropod group. Spiders, scorpions, mites, and ticks are all arachnids, which are characterized by having two main body regions and no antennae, with eight legs attached to the cephalothorax. This sets them apart from insects, which have six legs and three body segments; crustaceans, which often have many legs and two pairs of antennae and are usually aquatic; and myriapods, such as centipedes and millipedes, which have many more than eight legs and different body plans. So the group that includes spiders, scorpions, mites, and ticks is arachnids.

Eight legs in the adult stage identifying feature points to a specific arthropod group. Spiders, scorpions, mites, and ticks are all arachnids, which are characterized by having two main body regions and no antennae, with eight legs attached to the cephalothorax. This sets them apart from insects, which have six legs and three body segments; crustaceans, which often have many legs and two pairs of antennae and are usually aquatic; and myriapods, such as centipedes and millipedes, which have many more than eight legs and different body plans. So the group that includes spiders, scorpions, mites, and ticks is arachnids.

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