Examlex
The urinary bladder, when empty, lies within both the abdominal and pelvic cavities.
Genus
A category of biological classification that ranks above species and below family, used to group species that share common characteristics.
Species
A group of living organisms consisting of similar individuals capable of exchanging genes or interbreeding, and are classified under a common and distinct category in biology.
Concrete
Pertaining to actual things or instances, rather than abstract qualities, ideas, or theories.
Visible Object
An entity or item that can be seen or perceived visually by the human eye.
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