Chewing, jawlike mouthparts found in some arthropods are calledMultiple choice question.mandibles.chelicerae.antennae.tracheae.

Breakdown the Problem

1. Identify the terms provided in the multiple-choice options.
2. Understand the anatomical features of arthropods.
3. Determine which term corresponds to jawlike mouthparts.

Relevant Concepts

• Mandibles: These are jawlike structures used for biting and chewing food in some arthropods.
• Chelicerae: These are a pair of claw-like mouthparts found in arachnids, such as spiders and scorpions, used for grasping.
• Antennae: These are sensory appendages found in arthropods, not mouthparts.
• Tracheae: These are respiratory structures in insects and some arthropods, not related to mouthparts.

Analysis and Detail

1. Mandibles are specifically designed for chewing and are found in insects and crustaceans, making them the correct choice for the given question.
2. Chelicerae do not serve the function of chewing; they pierce and consume prey.
3. Antennae are primarily sensory, detecting environmental signals.
4. Tracheae are involved in respiration and are unrelated to the structure of mouthparts.

Verify and Summarize

• Comparing all options:
  • Mandibles are the only option that fits the description of "jawlike mouthparts" that are used for chewing.
  • Other options either refer to sensory or respiratory functions, confirming they do not fit the definition.

Final Answer

The correct answer is mandibles.