What role does the environment play in convergent evolution?

Answer in paragraph form using 5-7 complete sentences.

What function does a limb serve in each animal how are the limb bones of the four animal similar based on the similarities what can be inferred about the evolution of the poor animals

What environmental cues and landmarks do the geese use to determine the timing and direction of their migration over the mountains? how do they find their way?

Describe the relationship and movement between temperature and density in a convection cell. make sure you identify the direction of travel