Fossilized Parts of Trilobites, Such as Head and Tail Coverings

question 5

Multiple Choice

Fossilized parts of trilobites, such as head and tail coverings shed during growth, are common fossils in many geological deposits from ancient seas.Keeping in mind that soft body parts are rarely fossilized, what does this indicate about trilobites?

• A) The exoskeleton was rigid and hardened.
• B) Trilobites were primarily terrestrial species.
• C) Trilobites had a thin cuticle.
• D) Trilobites represent the larval stage of ancient arthropods.
• E) Trilobites had internal organs lined with chitin.

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