To which PHYLUM do vertebrates belong to?

List and describe at least 2 adaptations of the nervous system that allow more complex animals (vertebrates) to respond to a wider variety of stimuli than simpler animals (such as cnidarians). 

An animal that carries its young in a pouch

Which of the following projections should be performed at a 40 inch SID? Swimmer’s technique AP thoracic spine Lateral thoracic spine

List one trait that is shared by Porifera, Cnidarians, and Bilaterians, but is absent in Choanoflagellates. 

Lichen consist of a stable, mutualistic association between  ___________ and _________.  How does each partner benefit from this association?

Bonus: Compare and contrast sexual reproduction in Ascomycetes vs Basidiomycetes.

What pathology is demonstrated in the following radiograph? spondylolisthessis.jpg

Examine the image below.  Letter A is labeling: AP axial c spine(2).png

The central ray angulation for an AP axial projection of the sacrum is: