Question

Answer the following:
1.Which is the major excretory product of fishes?
2. Which is the major excretory product of birds?
3. Which is the major excretory product of humans?

Answer 1

1. The major excretory product of fishes is ammonia.
2. The major excretory product of birds is uric acid.
3. The major excretory product of humans is urea.