Slide 1Evolution- Change in life forms over time Why do things change? How do they change? Slide 2 Estimated age of earth-4.6 Billion years 4 geologic eras 1.Precambrian…
Slide 1IB Topic 5.4: Evolution Individuals do not evolve, populations do Slide 2 What is evolution? Evolution Cumulative change in the heritable characteristics of a…
Chapter Chapter 26-The Evolution of Life BIG IDEA: Evolution- inherited changes over time- has produced all the different kinds of living things on Earth 26.1 The Origin…