Small free-swimming fresh-water copepods {water flea} (Cladocera) {daphnid} can have large median eyes, pear-shaped bodies, and long antennae.
Insects {copepod} can have single-channel scanning eyes, like scanning beams in television cameras or electron beams in TV tubes. Copepods are in plankton.
4-Zoology-Kinds-Arthropod-Insect
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Date Modified: 2022.0225