Examlex
If the distribution is asymmetric and the variable is measured on a nominal scale,the median should be used.
Lampreys
Jawless fish known for their distinctive, toothed, funnel-like sucking mouth, often considered parasites or predatory on other fish.
Jawless Fish
A group of vertebrates known for lacking jaws, including lampreys and hagfish, representing the earliest fish in the evolutionary history.
Bones
The rigid organs that constitute part of the endoskeleton of vertebrates, providing support and protection and enabling movement.
Fins
External appendages on fishes and some other aquatic animals, used primarily for movement, steering, and balance in water.
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