Nature & Environment
Lizards demonstrate evolution in action
By
T.K. RandallSeptember 9, 2010 ·
2 comments
Image Credit: D. Gordon E. Robertson
A variety of skink has gone from laying eggs to live births giving scientists a unique glimpse of change in action.
The skink which lives in New South Wales previously only ever laid eggs however has now been seen giving birth to live young. The find gives scientists a rare chance to observe the transition from one to the other.
There are only two other types of modern reptiles which use both types of reproduction methods – another skink species and a European lizard. One in five snakes and lizards gives birth to live young, with records showing nearly a hundred reptile lineages have changed from egg-laying in the past.
Source:
Daily Mail |
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