Exam 30: Homeostasis: Osmotic Regulation, Excretion, and Temperature Regulation

Describe what is meant by an organism functioning in an integrated way to maintain a constant internal environment around a "setpoint."

Compare and contrast ectotherms with endotherms.How do ectotherms achieve temperature independence,and what would be the "metabolic cost" to them if they evolved homeothermy?

The effect of renin release will

What is the flatworm excretory organ called?

Animals maintaining a constant and elevated body temperature independent of ambient conditions are

Why is it so physiologically distressing for freshwater aquarium fish to be dumped into the ocean,or a marine aquarium fish to be dumped into a local city park freshwater pond?

Ciliated flame cells propel fluids through the excretory system in

Why does the excretion of wastes present a special problem in water conservation?

Sharks maintain osmotic equilibrium with the ocean water by the kidney conserving _______,allowing it to accumulate in the blood until osmolarity is near that of seawater.