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||A body of stratified glacial sediment. A mound or an irregular ridge deposited by a subglacial stream as an alluvial fan or a delta.
| Karst topography
||A landscape characterized by sinks, solution valleys, and other features produced by groundwater activity; it commonly develops in limestone.
||A median ridge on a scale.
||a hard, tough, non-soluble protein
| Keratinized scale
||Scales containing keratin, which is a hard, tough, non-soluble protein produced in the epidermis of both reptiles and amphibians (Peters 1964).
||A closed depression in a deposit of glacial drift formed where a block of ice was buried or partly buried and then melted.
||An animal that obtained its food mainly by scavenging the food supplies of another species, especially one with which it habitually lives in close proximity (Morris 1992).