1. 
   
   1. Review the image below (IN THE IMAGE BELOW) representing different organisms that need to be classified. The first step in classification is identifying useful homologous traits. Examine the objects, and use them to answer the questions. 

Questions (USING THE IMAGE ABOVE):

1.) Describe one trait that all the species have in common (an ancestral trait).

 2.) Describe two traits (including the phenotype that some of the species share but other objects do not (shared derived traits).

3.) Describe one trait that is particularly unusual, perhaps found in only one species (a unique derived trait).

Humerus Radius & Ulna Carpals Meta Carpals Phalanges Offer Flipper of Seal for Swimming Wing of Bird for Flying Patagium of Bat for Flying Forelimb of Horse for Running Human Arm for Grasping