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At 3 to 4 Years of Age, the Coronal Aspect

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At 3 to 4 years of age, the coronal aspect of the root begins to resorb and continues apically until the tooth is shed. The process of shedding the deciduous dentition and replacement by permanent successors is called exfoliation.

Recognize the structural elements of language, including surface and deep structures.
Discuss the flexibility and limitations of language use in non-human primates compared to humans.
Explain transformational grammar and its application in understanding language.
Understand how early life training influences language learning in primates.

Definitions:

Extinctions

The end of an organism or group of organisms, typically a species, resulting in its disappearance from the Earth.

Turnovers

Events in ecological or evolutionary contexts where one species or group of species is replaced by another in a habitat, often due to environmental changes.

Cambrian Period

A geological era approximately 541 million years ago, marked by a rapid diversification of life forms and the appearance of many major groups of animals.

Evolutionary Faunas

Groups of animals that share a common evolutionary history and are identified in the fossil record over large geographical areas and timelines.

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