Lobsters, millipedes, and butterflies share which of the following traits?

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Lobsters, millipedes, and butterflies are all arthropods and share jointed appendages as a defining characteristic. Parapodia (A) are found in segmented marine worms, setae (B) are found in annelids and other invertebrates for movement and sensory purposes, gas exchange across the skin (C) is common in many invertebrates but not specifically in these arthropods, and spiracles (E) are structures found in the respiratory system of some arthropods but not all.

Lobsters, Millipedes, and Butterflies Share Which of the Following Traits