(Image: Arthur Georges)
Zoologger is our regular column highlighting extraordinary pets – and occasionally other organisms – from around the entire world
Species: The main dragon that is beardedPogona vitticeps)Habitat: Arid woodlands and deserts in Central Australia
If the heat can’t be stood by you, modification intercourse. Male lizards from Australia become super-fecund females in hot weather.
Increasing conditions can lead to an intercourse change avalanche that pushes populations – and perhaps the species that are entire towards a culture without males.
An embryo to develop as either a male or a female for some reptiles, such as many snakes and lizards, sex chromosomes trigger. For other individuals, including crocodiles, alligators and marine turtles, intercourse is dependent upon heat, with extremes generally resulting in more females, maybe by inhibiting genes that are male.
Bearded dragons reveal a 3rd means – a type of evolutionary transition amongst the two.
Like us, they usually have intercourse chromosomes. For them it is a Z and a W. 繼續閱讀 「Zoologger: The lizard that changes its intercourse to accommodate the weather」