Answer :
Final answer:
Arachnids are characterized by having eight legs and the group includes species like ticks and mites, not lice, fleas, or flies. So the correct choice is D).
Explanation:
Arachnids are a class of arthropods with distinct characteristics, including having four pairs of legs (totalling eight legs) and no antennae or wings. Their body is divided into two main parts: the cephalothorax and the abdomen. Arachnids encompass a variety of creatures such as spiders, scorpions, daddy-long-legs, ticks, and mites.
The correct answer to the question is that arachnids have eight legs and include organisms like ticks and mites. Therefore, option D) eight, ticks and mites would be the accurate description for arachnids. Lice, fleas, and flies are not arachnids but are insects belonging to a different class of arthropods with only six legs.
Arachnids have eight legs and include creatures like ticks and mites; so the correct choice is D).