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.
Medical Definition of extinction. 1  1: the process of becoming extinct the extinction of a species; also : the condition or fact of being extinct. 2  2: the process of eliminating or reducing a conditioned response by not reinforcing it.