1.A) 2 different species that's share a homologous traits are ostriches and Flamingos. Ostriches live in dry savannas with open plains, Which they travel through quickly using their long tarsus And tibia (legs). Flamingos live in tropical environment with Plenty of water, they feed from the plentiful organisms in the water that they can traverse through thanks to their long tarsus and tibia. 1.B) The long and dense Tarsus and Tibia of an ostrich is to help it travel quickly through the wide and open plains of it environment, where predators can spot you more easily than in more dense regions. The flamingo however does not need to worry so much for predators and instead It's Tarsus And tibia is focused in aiding in its pursuit of food, by being skinny and light it can move more elegant through the water without alerting the prey in the water. 1.C) Both species most likely shared a common ancient bird ancestor. By looking at the skel...