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.
There have been many ideas to explain why dinosaurs became extinct. At least 55 different theories have been suggested and then thrown out because of problems. For instance, a theory that works for the large animals usually does not explain the extinction of the small animals or sea creatures.ost early dinosaur families went extinct, and most synapsids died out (except for the mammals). At the Cretaceous-Tertiary (K-T) boundary (about 65 mya) - about half of all life forms died out, including the dinosaurs http://www.enchantedlearning.com/subject... Source(s): Cynthia LY Â· 7 years ago.