A child's awareness of his or her own existence is usually well-established by the age of _______________ years

A long-lasting increase in the strength of synaptic responsiveness is called long-term potentiation

Indicate whether this statement is true or false.

___________ stated that human hierarchies are unique among primates in their complexity

a. Von Baer. b. Hamilton. c. Ertyl & Whitten. d. Trivers.