Animals are more capable to adopt a life on land. According to the researchers, evolution of ancient fish switched to live in water about 400 million years ago which is one of the main pivotal moments in the animal kingdom history. Scientists have raised groups of bichir in order to find out how they would be different from bichir raised in the water.
One of the researchers Standen said that fishes plant their legs closer to the body’s midline, lift their heads higher and slip less during that walking cycle. Generally, fish raised on land have more consistent way to walked through their aquatic counterparts. He illustrate that fish behavior was not the only thing that have changed but they use to change their shape in order to support their fins. She experimented on animals and demonstrates that living animal’s make inferences that may happened to other similar animals which have large scale evolutionary transitions. It seems quite clear that induce changes facilitated fish transition to land. These changes acted on the genome over the long period of time. Standen also identify the changes in order to repeat the experiment on fish muscles. She also looked at the changes where the fishes are kept on land for longer periods. The larger changes can only occur if fish remain to be on land for long time.
Results revealed that dinosaur eels raised on land with lifted heads, develop and planted their fins, walked more consistently and slipped less as compare to those fishes raised usually in water. Furthermore, scientists have found that muscles and bones of land raised them to change because they have adopted to walk on land. According to many researchers, many changes are identical to species which is considered as fascinating information.
The new shapes of fishes display a flexible response throughout the development that has caused them to observe and act differently. Indirectly, evolution influenced the plasticity where the skeletal traits and new behavioral give the survival benefit that can be more probably pass and survive to confer the developmental plasticity. Plastic responses have subsequent generations that eventually have responses over most of the generations. One of the paleontologists illustrated that plasticity came into play when there is many fossils of dissimilar fishes that have been involved in the water-to-land transition. Nonetheless, it always seemed as one of the main points to what is going to happen with the next generation of land-reared fish.
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