A bird’s voice box is called the __________.

Osmoregulation is the control of internal salt concentrations and results in different urine concentrations of salt water vs fresh water fish.

______ birds are naked and helpless at birth, remaining in the next for a week or more while parents carry food to them almost constantly. 

This organism is part of subphylum . This is a

The _____ are the “whiskers” of mammals, modified hairs that are sensitive to touch.

Label the structures: 2 1. 2.

Mammals are characterized by

What are the 2 sets of reactions that occur in photosynthesis and where do they occur?  

Gap junctions are found in every tissue type of the body.

The primary care pediatric nurse practitioner (PNP) is examining a 2-year-old infant and auscultates a wide fixed split S. What condition may this finding represent? Atrial septal defect (ASD) Correct Coarctation of the aorta (COA) Patent ductus arteriosus (PDA) Ventricular septal defect (VSD)