Multiple Choice
African lungfish, which are often found in small, stagnant pools of fresh water, produce urea as a nitrogenous waste. What is the advantage of this adaptation?
A) Urea takes less energy to synthesise than ammonia.
B) Small, stagnant pools do not provide enough water to dilute the toxic ammonia.
C) The highly toxic urea makes the pool uninhabitable to potential competitors.
D) Urea makes lungfish tissue hypoosmotic to the pool.
Correct Answer:
Verified
Correct Answer:
Verified
Q4: Which process in the nephron is least
Q9: <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB6149/.jpg" alt=" - Filtration takes
Q9: An excretory system that is partly based
Q11: A human who has no access to
Q12: Urea is _.<br>A) insoluble in water<br>B) the
Q16: The body fluids of an osmoconformer would
Q17: Birds secrete uric acid as their nitrogenous
Q18: <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB6149/.jpg" alt=" - In which
Q19: Natural selection should favour the highest proportion
Q51: The advantage of excreting nitrogenous wastes as