Asked by Shoania Williams on Jul 05, 2024
Verified
The main nitrogenous waste of adult amphibians is
A) ammonia.
B) urea.
C) uric acid.
D) peptides.
E) purines.
Nitrogenous Waste
Waste products containing nitrogen, such as ammonia, urea, and uric acid, which are produced from the metabolic breakdown of proteins and nucleic acids.
Adult Amphibians
Mature stages of amphibians, which typically involve a transition from an aquatic to a terrestrial lifestyle, involving changes in respiration and locomotion.
Urea
A nitrogenous compound produced in the liver from ammonia and carbon dioxide, excreted by the kidneys.
- Outline the distinctions in the excretory elements (ammonia, urea, uric acid) and analyze their influence on assorted animal assemblages.
Verified Answer
WE
Walaa Eldein Abd ElfatahJul 09, 2024
Final Answer :
B
Explanation :
Adult amphibians primarily excrete urea as their main nitrogenous waste. This is because urea is less toxic than ammonia and requires less water for excretion, which is advantageous for their terrestrial and aquatic lifestyles.
Learning Objectives
- Outline the distinctions in the excretory elements (ammonia, urea, uric acid) and analyze their influence on assorted animal assemblages.