Guest Post by Morbo
I’ve never seen a real platypus, but I’d like to. I’ve been interested in these animals since I was kid and someone gave me a book about odd animals of the world.
And the platypus is definitely odd. It has a bill like a duck and lays eggs but is covered with fur. Females feed their young with milk. Males have venom in their hind legs.
We’re talking about a creature that has the characteristics of birds, mammals and reptiles — all in one package. The platypus is classified as a mammal, and now scientists have just completed mapping its genetic makeup.
[T]he platypus genome offers an unprecedented glimpse of how evolution made its first stabs at producing mammals. It tells the tale of how early mammals learned to nurse their young; how they matched poisonous snakes at their venomous game; and how they struggled to build a system of fertilization and gestation that would eventually, through relatives that took a different tack, give rise to the first humans.
Evolutionary processes can make sense of the platypus’ mixture of features. As The Post reported:
Other genes show how platypuses were transitional creatures on the road from egg laying to internal gestation. There is just one gene for one kind of yolk protein, for example, while chickens have three. That is consistent with the idea that the platypus represents a shift in strategy toward providing more nutrition after hatching, rather than during incubation….
This creates something of a problem for creationists.
Let’s consider the options here:
1. The Intelligent Designer was drunk the day he designed the platypus (or just had some spare parts left over from previous designs and figured, “What the hell….”)
2. The space aliens who seeded the planet are pulling our leg.
3. Darwinian evolution, operating through the process of natural selection, has allowed this really cool animal to do well with an unusual mix of characteristics.
Under the principles of ID, you can choose which one to believe. Public school lesson plans will soon follow.
P.S. For more fun with real science, visit the National Center for Science Education’s “Expelled Exposed” website and watch their new video debunking the common creationist canard that eyes are too complex to have evolved.