Examlex
Male scorpionflies use which of the following as nuptial offerings?
Crustaceans
Mostly marine arthropods with a calcium-hardened cuticle and two pairs of antennae; for example, lobsters, crabs, krill, and barnacles.
Antennae
Antennae are sensory appendages found on the heads of insects and some other arthropods, used for sensing the environment.
Radula
A unique, tongue-like structure in mollusks, used for feeding by scraping or cutting food before ingestion.
Scolex
The head or anterior end of a tapeworm, equipped with hooks and/or suckers for attaching to the intestinal wall of the host.
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