Aquatic salamanders and tadpoles obtain oxygen from water when it passes over the gill filaments.
which condition would lead to maximum absorption of o2 by the gills?
a) low oxygen in the water, low oxygen in the blood
b) low oxygen in the water, high oxygen in the blood
c) high oxygen in the water, low oxygen in the blood
d) high oxgyen in the water, high oxygen in the blood

What is a difference between systemic and pulmonary circulation? a. systemic circulation carries oxygenated blood to the lungs and pulmonary circulation carries deoxygenated blood to the body. b. systemic circulation carries deoxygenated blood to the lungs and pulmonary circulation carries oxygenated blood to the body. c. systemic circulation carries deoxygenated blood to the body and pulmonary circulation carries oxygenated blood to the lungs. d. systemic circulation carries oxygenated blood to the body and pulmonary circulation carries deoxygenated blood to the lungs.

During dna replication, each strand of dna is used as a template to produce a complementary strand of dna. this process is shown below. which base will attach to location

The open ocean of any depth is called the