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.
Wiktionary(0.00 / 0 votes)Rate this definition: 1  extinct(Adjective) Extinguished, no longer alight (of fire, candles etc.) Poor Edward's cigarillo was already extinct. 2  extinct(Adjective) No longer used; obsolete, discontinued. Luckily, such ideas about race are extinct in current sociological theory.