Course Hero Logo

5 two sets of muscles are used to control the wings

Course Hero uses AI to attempt to automatically extract content from documents to surface to you and others so you can study better, e.g., in search results, to enrich docs, and more. This preview shows page 2 - 5 out of 5 pages.

5.Two sets of muscles are used to control the wings strokesin vertebrates. The _____________ muscle attaches to the
underside of the humerus and simply pulls the wingdown, whereas the _____________ muscle attaches to thetop of the humerus via a tendon that runs over thescapula.
6.Behavioral traits can be used to build phylogeneticrelationships much the same as morphologicaltraits. What can be assumed based on this information?
7.Some seabirds, like albatrosses, perform ritualizeddances to form pair bonds that last for life. Which of thefollowing courtship dances are observed?
BowingBeak clackingAll of the above8.Birds belong to the dinosaur clade Saurischia.Question 8 options:TrueFalse
9.Which of the following is the most parsimonious reasonthat feathers first evolved?
10.When birds breathe there is a unidirectional flow ofO2throughout their lungs and air sacs.This systempermits countercurrent flow with their blood andmaintains higher O2levels that allow the bird to haveefficient metabolic rates.
TrueFalse
End of preview. Want to read all 5 pages?

Upload your study docs or become a

Course Hero member to access this document

Term
Spring
Professor
schaffer
Tags

Newly uploaded documents

Show More

Newly uploaded documents

Show More

  • Left Quote Icon

    Student Picture

  • Left Quote Icon

    Student Picture

  • Left Quote Icon

    Student Picture