Rapid burial and high biodiversity in the paleoenvironment of the Miguasha delta provided a good environment for fossils to form.

Site of sperm deposition.

 A single, donut shaped gland in males about the size of a peach pit.  It encircles the urethra.  Secretions activate sperm and account for approximately 20-30% of the semen volume.

Match the adaptation with the benefit it provided.

Use this figure to answer the following question. According to this phylogenetic tree, which of the following features are plesiomorphic traits to the Sarcopterygii clade? Select all that apply.

Why might jaws have been advantageous for early gnathostomes?

Use this figure to answer the following question. According to this phylogenetic tree, what is the sister group to Archosauria?

Explain why this shark is not directly attacking the bits of prey. What sense is it using to detect the prey and what sense is it NOT using? 

A patient who had a HgA1c of 6.8 on routine blood work should be diagnosed as having:

A middle age man was mowing his lawn with his lawn tractor. While driving under a tree, a branch caught him and “scratched” his eye.  He is complaining of redness and watering since the incident. To determine if he has a corneal abrasion, you will do what?