Archeologist: An anthropologist who studies prehistoric people and their culture.
Cache: A hiding place to store food, supplies, or treasure.
Distal phalanx: Also known as the third phalanx or the coffin bone of the equine foot.
Endangered species: A group of animals threatened with extinction or destruction.
Excavators: Those who dig or excavate, especially a backhoe.
Fossil: A remnant or trace of an organism of a past geological age, such as a skeleton or a leaf print, embedded in the earth's crust.
Genus: A class , group, or kind with common attributes.
Hypothesize: To take an educated guess.
Invertebrates: Lacking a backbone or spinal column; not vertebrate
Laboratory: A room or building equipped for scientific research or experimentation.
Laminated: Composed of layers bonded together
Museum: A building, place, or institution devoted to the acquisition, conservation, study, exhibition, and educational interpretation of objects, having scientific, historical, or artistic value.
Paleontologist: One versed in the study of fossils.
Rhino: Any of several large, thick skinned herbivorous mammals of the family of Rhinocerotidae, of Africa and Asia having one or two upright horns on the snout.
Sediment: Solid fragments of inorganic or organic material that come from the weathering of rock and are carried and deposited by wind, water, or ice.
Sinkhole: A natural depression in a land surface communicating with a subterranean passage, generally occurring limestone regions and formed by solution or by collapse of a cavern roof.
Vertebrate: Having a backbone or spinal column.