Certainly, but paleontologists disagree — sometimes quite heatedly — on exactly when and where the link exists: in
the form of a common ancestor or in an evolutionary shift from dinosaur to bird or bird to dinosaur.
Not exact matches
Bob, How is it possible that we could not all have a
common ancestor regardless
of how life
formed on earth?
(Answers: 1) because they lived and died millions
of years before humans and extant
forms; 2) because humans and dinosaurs never coexisted; 3) this simply didn't happen, but the creationist response is apparently, and ironically, «hyper - evolution» from severely bottle - necked gene pools; and 4) because we share a
common ancestor with egg - laying organisms)
But the other key point
of microevolution is that while a new species can
form in cases from such isolation, it does not indicate descent from a
common ancestor.
We share a
common ancestor with other eukaryotes, but eukaryotes branched off into tons
of different
forms of life.
Here's the majors, so plan accordingly for your place in this life or the next: 1) there is not a single fossil to evidence mankind's evolution from some so - called earlier
form (see missing link) however we do however have mountains
of DNA evidence showing we have
common ancestors with primates — so you either believe in a Creator, or Aliens, or actual evolution or a mix
of any
of the three.
We can track most species to a
common ancestor species» = > ah, but that fact does nt differentiate between supernatural creation
of major life
forms using genetic mutation as a vehicle, vs an entirely naturalistic process that occurs randomly.
If the molecular clock is right, then unicellular
forms of animals, plants and fungi all diverged from a
common ancestor in a rapid burst around a billion years ago.
«Since random mutations accumulate over time, males who originate from a
common patrilineal
ancestor will share a particular collection
of Y chromosome mutations,» Wallner explains,
forming what's known as a haplogroup.
In total there are 15 closely related species
of freshwater eels in Lake Tanganyika, each with its own distinct lifestyle — and their
common ancestor probably arrived there at least 7 million years ago, when the lake first
formed.
Translating the differences between gene sequences into a date for their divergence, the researchers conclude that the various
forms of RRM2P4 last shared a
common ancestor about two million years ago — around when H. erectus migrated from Africa into Asia.
On the other hand, vastly dissimilar
forms of life (such as a carrot and sperm whale) may share a last
common ancestor very different from either one
of them.
After the Piltdown fraud was exposed, the australopithecines came into favour as a transitional
form linking an ape - like
common -
ancestor to human beings, and this link was further strengthened by later finds
of both erectus and australopithecine fossils, mainly in East and South.
Over the course
of millions
of years, variations and mutations in organisms produced countless
forms of life that could all be traced back to a
common ancestor.
In Balinese culture, a man and a woman is considered to be complete when they are unite to
form a family that worship
common ancestors in the family shrine
of each Balinese household.
It is largely accepted that life
formed in a primordial hot soup
of organic chemicals and that a bacterium is the
common ancestor of all life.