Do Now Take out a sheet of paper

Do Now • Take out a sheet of paper for notes. • When we use the word theory in everyday life, we usually mean an idea or guess, but the word has a much different meaning in science. • "How does the scientific meaning of a term like theory differ from the way it is used in everyday life? " • "Can the facts of science change over time? If so, how? "

Evolution is… • descent with modification. • Microevolution: small-scale evolution (changes in gene frequency in a population from one generation to the next) for a single population • Macroevolution: large-scale evolution (the descent of different species from a common ancestor over many generations)

Phylogenetic Tree (Cladogram)

Video • http: //highered. mcgrawhill. com/sites/9834092339/student_view 0/chapter 23/animati on_-_phylogenetic_trees. html

Pastafarian Challenge • Classify organisms based on shared derived characteristics • Use the chart below to find SHARED characteristics. • How can you use these shared characteristics to determine common ancestry?

Homework • Fold the Foldable • Write down: • • • Outline of week: Monday: Add phylogenetic tree Tuesday: Add (on the inside) fossil record and embryology Block: Add (on the inside) DNA evidence Friday: (by the end of class) Anatomical structures