100 200 300 400 500 Organisms with the highest urine concentrations. Answer: Mammalian desert organisms.

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Organisms with the highest urine

concentrations.

Answer: Mammalian desert organisms

Organ responsible for storing urine.

Answer: Urinary bladder

Marine invertebrates that do not regulate salt and

water balance.

Answer: Osmoconformers

A small, highly toxic molecule that results from the breakdown of amino acids and nucleic acids

Answer: Ammonia

In mammals, the main organ of excretion

Answer: What is the Kidney?

The starting reactants of nitrogenous wastes

Answer: What are amino acids and nucleic Acids?

Where urea forms

Answer: What is the Liver?

Bony fish that lose water osmotically because they

live in marine environments. (drink salt water & excrete

excess salt)

Answer: Osmoregulatory

In order of decreasing required energy to produce.

Answer: Ammonia, Urea, Uric Acid

Conducts urine from bladder to outside

Answer: What is the urethra?

A pigment produced in the liver from the breakdown

of hemoglobin.

Answer: What is bilirubin?

Glands that are associated with the

kidneys

Answer: What are adrenal glands?

Fish that have a greater salt concentration inside their

bodies

Answer: Freshwater fish

When excreted it has a very low solubility and virtually

no toxicity.

Answer: What is Uric Acid?

Desert frogs do this to restrict water loss.

Answer: Burrow

Where urine is produced.

Answer: What is the Nephron?

These organisms do not drink water & instead have a problem retaining ions.

Answer: Freshwater fish

The 3 main ways water in humans is lost.

List them.

Answer: Urine Production, Defecation, Sweating

Adaptation in camels for desert life to store fat.

Answer: What is a camel’s Hump?

Excreted as a white paste by birds.

Answer: What is Uric Acid?

Circumstance when fish have to make physiological changes to compensate for

changes in the environment.

Answer: Migrating fish

If people suffer from renal failure this could happen.

Answer: Fluid Retention (Edema)

The process by which water content and solute

concentration of bodily fluids is kept at homeostasis.

Answer: What is osmoregulation?

Excreted by mammals, some fish, and most amphibians.

Answer: What is urea?

The part of the nephron responsible for filtration

Answer: What is the Glomerulus?

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