Operations like addition and subtraction are defined in the math library

Discovering How Populations Change: ­ inheritance of acquired characteristics: Jean­Baptiste Lamarck book that detailed a mechanism for evolutionary change o His theory states modifications in an individual caused by its environment, or the us or disuse of a structure during its lifetime, could be inherited by its offspring and bring change in species o Founder of doctrine of evolution Charles Darwin & Natural Selection  Evolution was independently conceived: Charles Darwin and Alfred Russell in the mid 19 century o Natural Selection: o “decent with modification” o On the Origin of Species: Darwin’s novel  The Galapagos finches is the best demonstration