standard 4: model with mathematics. Expand +. classroom observations: Teachers who are developing studentsâ capacity to model with mathematics move explicitly between real-world scenarios and mathematical representations of those scenarios.
exists and is an alternate of . Functional extinction means that there are not enough live animals (or animal protoplasm) of a certain species for the species to breed and survive.
Full Definition of EXTINCTION. 1. : the act of making extinct or causing to be extinguished. 2. 3. : the process of eliminating or reducing a conditioned response by not reinforcing it. See extinction defined for English-language learners.