Biology

1.Feather color is often referred to as an honest indicator of male quality.  Find evidence for this statement.  In your answer be sure to indicate how the color is produced.
2. Provide arguments for the ground up and the tree down theories for the evolution of flight.  Where do you think Archaeopteryx fits into this scenario?  Provide support for your answer.
3.What is insight learning?  What evidence exists that birds are capable of insight learning.
4.Provide arguments for the ground up and the tree down theories for the evolution of flight.  Where do you think Archaeopteryx fits into this scenario?  Provide support for your answer.