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As presented in the textbook, in one of the most influential papers on modern evolutionary theory, Robert Trivers (1972) used sex differences in parental investment to explain different mating systems. Trivers argued that polygyny should be the most
Common mating arrangement if
Morphemes
The smallest units of meaning in a language, such as roots, prefixes, and suffixes.
Babbling
A form of vocalizing, beginning at around 7 months, in which infants utter strings of syllables that combine a consonant sound and a vowel sound.
Recursive Utterances
Phrases or sentences that contain a structure within a similar structure, enabling complex expressions and ideas in language.
Oral Language
The system of spoken communication used by a particular community or country.
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