Parasitic chelicerates like ticks and mites have evolved what?

Parasitic chelicerates like ticks and mites have evolved what?

Correct Answer: bloodsucking apparatuses
tunicates apparatuses
licking apparatuses
aileron apparatuses

Explanation: Most chelicerates ingest food using a preoral cavity formed by the chelicerae and pedipalps. Some chelicerates may secrete digestive enzymes to pre-digest food before ingesting it. Parasitic chelicerates like ticks and mites have evolved bloodsucking apparatuses. The nervous system in chelicerates consists of a brain and two ventral nerve cords. These animals use external fertilization as well as internal fertilization strategies for reproduction, depending upon the species and its habitat. Parental care for the young ranges from absolutely none to relatively prolonged care.

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