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.
Princeton's WordNet(3.00 / 1 vote)Rate this definition: 1  extinct, nonextant(adj) no longer in existence; lost or especially having died out leaving no living representatives. 2  extinct(adj) (of e.g. volcanos) permanently inactive. 3  extinct, out(p)(adj) being out or having grown cold.