Jean-Baptiste de Lamarck proposed that snakes evolved through the inheritance of acquired characteristics. He suggested that ancestral lizards, in response to their environment, gradually lost their limbs as they adapted to a more serpentine lifestyle, primarily for movement through narrow spaces. This adaptation was thought to be passed down to subsequent generations, leading to the development of modern snakes. Lamarck's ideas emphasized the role of environmental influence on evolution, though they have since been largely supplanted by Darwinian natural selection.
The pelvic girdle in snakes is vestigial because they have lost their hind limbs during evolution. Since snakes no longer have hind limbs, the pelvic girdle serves no functional purpose and is reduced in size and structure.
Australia is home to a large number of snake species due to its vast and diverse habitats, including deserts, rainforests, and grasslands. The warm climate and abundance of prey species also contribute to the high snake population in Australia. Additionally, the isolation of the continent has led to the evolution of a unique variety of snakes in Australia.
Yes. The venom of venomous snakes is often lethal to that of other. The exception is that many snakes are resistant to their own species' venom. Snakes that are adapted to eating other snakes may also have some venom resistance.
Snakes are reptiles.
Snakes and crocodiles because snakes and crocodiles are both reptiles but a frog is an amphibian.
TRADE OR BUY IT.AnswerTactical Evolution
If an animal uses something they will keep that trait if not, it will die out. For instance, the giraffe's long neck was required for survival therefore they kept the trait (their ancestor's had shorter necks, which Lamarck explained was because they inherited traits gained by their parents "who had to increasingly stretch their necks for food"--this theory was incorrect). In the first snakes, which were basically lizards because they had legs, they no longer need the legs so they lost them.
In simple terms - evolution ! Snakes & lizards share a common ancestry. While lizards chose to keep using their limbs, snakes evolved to depend on their external limbs less over time. Eventually, over many thousands of years, their limbs grew shorter until they disappeared completely. The only evidence their limbs existed - is remnants of bone in their skeletons.
Evolution. Pit Viper snakes depend on infrared vision to hunt.
First of all, Lamarck's theory of evolution of new species was wrong (disproved by various experiments). It stated that new species emerged by the use and disuse of organs. This, he called The Theory of Acquired Inheritance.For example, the ancestors of Giraffes found that all lower leaves on the trees were exhausted. So they started stretching their necks to reach higher leaves. Over the course of evolution, their neck length increased and thereby gave rise to modern day giraffes.Another similar example would be that of snakes. The ancestors of snakes had limbs. But they 'disused' the limbs and over the course of evolution, snakes emerged by the loss of limbs.Its worthy to remember that only the DNA in germ cells is inherited to the offspring and not that of somatic cells. So lamarckism is basically wrong because the changes in organs cannot be inherited by the offspring.Hope this helps.
Answer 1: By millions of years of evolution they lost it. Though you can see some remains on legs on pythons by spurs. Answer 2: Snakes never had legs. They were created without legs.
a double headed snake with no tail, what does it mean?
The pelvic girdle in snakes is vestigial because they have lost their hind limbs during evolution. Since snakes no longer have hind limbs, the pelvic girdle serves no functional purpose and is reduced in size and structure.
I'm sorry but evolution cannot be proved nor is it actually the explanation for certain animals
This is considered evidence for evolution because vestigial structures like legs in snakes suggest that they have evolved from ancestors that had functional legs. These structures are no longer needed for survival, but their presence supports the idea of common ancestry and evolutionary change over time.
No - ALL snakes are vertebrates ! They have a complete skeleton - including skull, ribs and spine.
Snakes have pelvic bones as remnants of their evolutionary history when their ancestors had hind limbs. These pelvic bones have been greatly reduced in size and are not functional for walking or supporting legs, but they still play a role in supporting reproductive organs.