How many of the following organisms are ammonotelic?
(a) Bony fishes
(b) Aquatic amphibians
(c) Aquatic insects
(d) Land snails
(e) Birds
(f) Mammals
Many bony fishes, aquatic amphibians and aquatic insects are ammonotelic in nature.
Mammals are ureotelic.
Land snails and birds are uricotelic.