Copy 94. Warm up 95-96. Natural Selection/Artificial Notes 97. Battle of the Beaks 98. Word Bank 99.Survival of the sneakiest Q’s and A’s 1-5

Natural Selection Pg 95-96

The galapagos Islands Each island had a different climate Similar species but different characteristics that fit its island

Fitness The ability to survive in one's current environment

What Darwin saw -Animals compete for resources -Those most fit are likely to reproduce -Only the fittest may survive -Species divert from one another due to fittest organisms reproducing

What Darwin learned -Individuals may differ -Success is defined by the number of offspring that live to reproduce -Those best suited for their current Environment have a better chance to reproduce

Struggle for existence Competition for resources between organisms

Survival of the fittest Some individuals are better suited for their environment and live to reproduce Fitness can randomly change

Natural Selection (Life by merit) When nature selects organisms with traits needed to survive Nature chooses the worthy

Artificial Selection (life of the popular) Animals breed with each other selected by man for desired traits We choose the worthy

Speciation When a species evolves into a new species It can only make with its own species

Word Bank pg 98 Natural Selection 2. Artificial Selection 3. Survival of the Fittest 4. Struggle for existence 5. Fitness 6. Speciation