Skip to main content

Living fossils challenge Darwin's evolution theory.


Above: Cretaceous Loricera beetles with specialized morphology for collembolan predation (Cell.com)


The beetle that challenges Darwin's evolution theory has been unchanged for 100 million years. This beetle is one of the things. That we can call "living fossils". When Charles Darwin created his evolution theory, he involved the term "living fossils" in that model. The idea in evolution theory is that species must adapt to their environment. But sometimes evolution creates the "perfect shape" or "perfect construction". That construction can survive in fast changes in the environment. We know a couple of living fossils like Ginkgos, coelacanths, and some other creatures like a beetle named: Loriceda. 

That thing means that sometimes evolution forms creatures with versatile abilities to survive in fast, and large-scale changes in their environment. The Loriceda beetles might form in certain conditions. Where that creature had no competitors. That thing creates the idea that maybe those beetles formed in the conditions after some mass extinction. After those extinctions larger animals whipped out and that left space for the things like bugs. The thing is that living fossils are fascinating things. 



Above: Coelacanth



Above: Ginkgo


They offer a window to the past time. When we think about the need to change, we think that the environment is the thing that sets this need. In the case of other living fossil coelacanths, the reason why that strange-looking creature survived is that those, little bit pike fish-looking creatures lived and still live in very deep sea. In that deep sea, the meteorite that destroyed dinosaurs had no big effect. 

And that left those strange fishes alive. The living vegetable fossils like Ginkgo might survived because some of them were in a position where the asteroid impact didn't affect them straight. The nuclear winter after that impact freezes those seeds very fast. Before meteorites that destroyed dinosaurs, there were no competitors for those species in the group gymnosperm. 

Those species made their seeds much faster than angiosperms. The angiosperms formed the protective layer around the seeds and that made them more resistant to climate change and heat waves. The meteorite made space for those more advanced vegetables that created the protective layer to protect their seeds. The meteorite formed a situation where evolution started to favor complicated structures in seeds. That means evolution must have a reason or fast change to start favoring quality and deny large numbers of descendants. 


https://www.cell.com/the-innovation/fulltext/S2666-6758(24)00039-0


https://en.wikipedia.org/wiki/Coelacanth


https://en.wikipedia.org/wiki/Ginkgo_biloba


Labels:

Comments

Post a Comment

Popular posts from this blog

The hydrogen-burning supernovas are interesting models.

"Researchers discovered a significant magnesium anomaly in a meteorite’s dust particle, challenging current astrophysical models and suggesting new insights into hydrogen-burning supernovas. (Artist’s concept.)Credit: SciTechDaily.com" (ScitechDaily, Rare Dust Particle From Ancient Extraterrestrial Meteorite Challenges Astrophysical Models) If the star is too heavy when its fusion reaction starts, it can detonate just at that moment, when its fusion starts. If the collapsing nebula is heavy enough, it can form a black hole straight from the nebula. But if the nebula's gravity is too heavy to  form  the blue giant or too  small  it can collapse  straight  into a black hole . If  the forming star is a little bit larger than the blue supergiants. It can explode immediately when the fusion starts.    The theory of hydrogen-burning supernovas consists  model  of the giant stars that explode immediately after their fusion starts. When the...
Post a Comment
Read more

The ancient galaxy mirrors the Milky Way.

"This image shows the galaxy REBELS-25 as seen by the Atacama Large Millimeter/submillimeter Array (ALMA), overlaid on an infrared image of other stars and galaxies. The infrared image was taken by ESO’s Visible and Infrared Survey Telescope for Astronomy (VISTA). In a recent study, researchers found evidence that REBELS-25 is a strongly rotating disc galaxy existing only 700 million years after the Big Bang. This makes it the most distant and earliest known Milky Way-like galaxy found to date. Credit: ALMA (ESO/NAOJ/NRAO)/L. Rowland et al./ESO/J. Dunlop et al. Ack.: CASU, CALET" (ScitechDaily, Astronomers Baffled by Ancient Galaxy That Mirrors Modern Milky Way) Researchers found the youngest Milky Way-type galaxy. The distance to the galaxy is enormous. And the light that comes from that galaxy named REBELS-25 comes from the Universe that is only 700 million years old. The distance to that galaxy is enormous about 236 billion light years. And that means it's a very dista...
Post a Comment
Read more

Transcendence, or the ability to transcendent thinking may grow in teen's brains.

   "New research has discovered that transcendent thinking, which involves analyzing the broader implications of situations, can foster brain growth in adolescents. This form of thinking enhances brain network coordination, impacting developmental milestones and future life satisfaction. The study emphasizes the need for education that encourages deep, reflective thought, underscoring the critical role of adolescents in their own brain development". (ScitechDaily, Scientists Discover That “Transcendent” Thinking May Grow Teens’ Brains) "Scientists at  USC Rossier School of Education’s Center for Affective Neuroscience, Development, Learning and Education (CANDLE) have discovered that adolescents who grapple with the bigger meaning of social situations experience greater brain growth, which predicts stronger identity development and life satisfaction years later". (ScitechDaily, Scientists Discover That “Transcendent” Thinking May Grow Teens’ Brains) The transcendenc...
Post a Comment
Read more