Copy of In class web activity (evolution).docx - NAME:Roy Vincent Naira Per:2 Date Score

Copy of In class web activity (evolution).docx - NAME:Roy...

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NAME:Roy Vincent Naira Per:2 Date:12/5/17 Score: 1. a) In the image, which pair represents an analogy and which a homology? b) Define homology: When traits inherited by two different organisms have a common factor (gene) c) Define analogy: Have common factors due to similar environmental changes and selective pressures 2. What is a tetrapod? The animal group containing vertebrates 3. What are the 4 bones found in all tetrapod legs? Ulna, Humerus, Radius, Carpals, Metacarpals, and Phalanges (CMP) 4. Identify these limbs (to what animal do they belong)? 5. What did the common ancestor of all modern tetrapods look like? All built from many small bones One long bone connected to one small bone 6. Side Trip: "not just anatomy." - How are a bird and a crocodile homologous? They both have a trait of parental care having a common ancestor gave them similar traits making them homologous 7. Similar structures that evolved independently are called
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