As a carnivore, the platypus keeps populations of other species lower in the food chain in check. Ross believes that if the species is driven from its current range, whole freshwater ecosystems could ...

Nature Reviews Genetics - Platypus: the stranger sexxxxx. ... In the platypus a meiotic chain of ten sex chromosomes shares genes with the bird Z and mammal X chromosomes. Nature 24 October 2004 ...