evidence for evolution

Evidence for evolution

scientist believe that all complex organisms on earth have evolved from simple organisms that existed about 3500 million yrs ago 

fossil records and antibiotic resistance in bacteria both provide evidence for evolution 

fossils are the remains of plants and animals 

a fossil is a trace of an animal or plant that lived long ago they are most commonly found in rocks 

they can tell us about what the organisms looked like and how long ago they existed, generally the deeper the rock the older the fossil 

by arranging fossils in chronological order, gradual changes in organisms…