Respuesta :

Lectures introduce mostly new concepts and are taught by the professor. Recitations reinforce previously taught concepts to smaller groups, and are taught by the TAs.
LECTURE - an oral presentation intended to present information or teach people about a particular subject like history, background, theories, and equations. Usually given by a professor.

RECITATION - act of reciting from memory. It can also be a formal reading of verse or other writing before an audience. You simply recite what you remembered learning.