1. Do Now: 03/27/2013 Essential Question – What process leads to the evolution and diversity of organisms? Objectives – I can… –Describe and explain homologous structures. –Review for my biology learning targets 1 – 5 test Homework – Study for your test for tomorrow and the study guide Do Now – take out your homework from last night. I will be checking for completion. Answer the following – do you think our arm bone structure resembles that of an alligator’s forelimb?

2. What we’re doing today: Go over homework Take notes on homologous structures Begin study guide Review game if time permits

3. Homework Go over homework

4. Homologous Structures Similar structures that related species have inherited from a common ancestor.

5. Homologous structures

7. Homologous coloring sheet Humerus – Green Radius- red Ulna – blue Carpals – yellow Metacarpals – purple Phalanges – orange When you are finished glue or tape it into your notebook under your homologous structures sheet.

8. Study Guide You may use your –Notes –Worksheets –Past quizzes to study for your test for tomorrow. The study guide is due tomorrow and I will be checking it for completion. Answer key will be on my website this afternoon I will be checking my email every hour until 9pm if you have any questions.