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.
What does extinct and mass extinction mean? Extinct is when a specific species dies off (say brown bears). Mass extinction is when an entire class of those animals dies (e.g. all bears.