Right your observations in the chart below. With your partner, observe the seven limbs in the picture that was given to you. Answer: _ Compar ing Homologous Structures : Purpose: In this activity you will observe parts of different animals and look for evidence that these animals are related to each other (that is, that they could have evolved from the same common ancestor). A house cat and a lion evolved from the same ancestor but no longer look alike (the house cat is much smaller than the lion). Homology is the relationship between structures or DNA derived from the most recent common ancestor. Neil Shubin's discovery of Tiktaalik as a setting for examining close common ancestors and their homologies.This lesson is intended for a. A whale and a fish both have fins to swim underwater, however, a whale is a mammal and a fish isn’t. Concepts include:- Homologous Structures (Homologies)- Vestigial Structures - Analogous Structures as a misconceptionThe lesson uses Dr. A poisonous spider and a poisonous snake both have venom sacs. Evolved from different ancestors, but because they were placed in the same environment, they have the same function. Evolved from the same ancestor but now have different functions. Decide if the anatomical structures listed below are examples of homologous structures or analogous structures: A. How does anatomy provide evidence for evolution? 3. Download Homologous & Analogous Structures and more Anatomy Lecture notes in PDF only on Docsity!Name Date Block# Evidence for Evolution: Homologous & Analogous Structures Gather ing Informat ion : Using COMPLETE SENTENCES answer the following questions.

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