IB Osmoregulation

State the term for the removal of potentially toxic waste products of metabolic pathways

In what form do mammals excrete nitrogenous waste?

• Ammonia

• Uric acid

• Amino acids

• Urea

In what form do freshwater fish excrete nitrogenous waste (because it can be diluted by a large volume of water)?

• Uric acid

• Ammonia

• Nucleotides

• Amino acids

In what class of animal do you find malpighian tubules?

Identify the term for animals that have an internal solute concentration that is the same as the external solute concentration

• Osmoregulators

• Homeothermic

• Osmoconformers

• poikilotherm

State the term used when two solutions are equal in solute concentration

Identify the least toxic of these nitrogen containing compounds

• Uric acid

• Urea

• Ammonia

• Cyanide

Identify the term for the excessive loss of water from the body

• Over hydration

• Dehydration

• Isotonic

• Transpiration

Identify the term that indicates that a solution has a higher solute concentration that normal body fluids

• Hypotonic

• Dilute

• Isotonic

• Hypertonic

In what form do birds and insects excrete nitrogenous waste?

• Urea

• Uric acid

• Ammonia

• Nitrogenous bases