Podcast
Questions and Answers
What is the primary function of osmoregulation in the body?
What is the primary function of osmoregulation in the body?
- To produce metabolic wastes
- To maintain a constant pH level
- To control the movement of water across cell membranes
- To regulate water and ion balance (correct)
Which of the following statements is true about osmoconformers?
Which of the following statements is true about osmoconformers?
- They are found mainly in freshwater environments
- They are typically found in marine invertebrates (correct)
- Their body fluids are generally hypotonic to their surroundings
- They consume a lot of energy to maintain water balance
What is the term for the movement of water from a region of higher osmolarity to a region of lower osmolarity?
What is the term for the movement of water from a region of higher osmolarity to a region of lower osmolarity?
- Osmoregulation
- Osmolarity
- Osmosis (correct)
- Excretion
What is the purpose of excretion in the body?
What is the purpose of excretion in the body?
Which type of animal would be most likely to discharge water in a hypotonic environment?
Which type of animal would be most likely to discharge water in a hypotonic environment?
What is the term for the solute concentration of a solution, expressed in milliosmoles per liter?
What is the term for the solute concentration of a solution, expressed in milliosmoles per liter?
Which nitrogenous waste product requires the most water to excrete?
Which nitrogenous waste product requires the most water to excrete?
What is a characteristic of urea production?
What is a characteristic of urea production?
Which of the following is a characteristic of uric acid?
Which of the following is a characteristic of uric acid?
What is a difference between urea and ammonia?
What is a difference between urea and ammonia?
Which group of organisms excretes ammonia as their primary nitrogenous waste product?
Which group of organisms excretes ammonia as their primary nitrogenous waste product?