0
Some creationists use this argument as "evidence" against evolution.
However, the flaw in their argument is that fossils do occur, they are in order, they are separated by a large time difference, and they are transitional.
The argument is commonly called the "missing link" problem, and when Darwin first developed his ideas, it actually was. He explicitly recognised it as such, and came up with several ways it would either deny or help support his theory (such as by finding rabbits in the PreCambrian era, or by the presence of missing links, which were later found). However, in the 140 years since then, we have uncovered thousands of fossilized species, each of which is a tranistional form in the evolution of several other species.
The best example is that of our own ancestry; several species have been discovered, each getting closer and closer to human as we know it, and at the same time, further from the simple ape-like mammals we began as. All of this happened - according to the geological timeframe - over a period of several million years.
What else can I help you with?
What are the three major strengths of darwins work?
evidence in real time - finches fossil evidence evidence now backed up by genetics geological evidence of strata not just fossils
What are Large-scale evolutionary changes that usually take place over long periods of time?
Macroevolution
Changes in groups of organisms over time produce variations in a population this relates to?
both Macroevolution and Microevolution Good luck with Novanet. God help you.
Which scientific principle states that younger rock layers are generally deposited on top of older rock layers and why?
Superposition
Oligocene and Miocene are?
They are geological epochs.
Why is the geological column considered evidence for evolution?
The geological column shows the sequence of rock layers with older rocks at the bottom and younger rocks on top. Fossils found in these layers show a progression of life forms over time, providing evidence for the evolution of species. By studying the geological column, scientists can trace the development of life on Earth and how species have changed and diversified over millions of years.
Why his the geological column not really evidence for evolution?
The geological column is an abstract, and ideal. What it really signifies is the mechanism of superposition, the fact that through geological times, newer layers are formed on top of older layers. The geological column can be used as a guide for reconstructing the geological history of a formation, but one should take care: geological processes, like all of nature, are messy, and geological strate can be inverted or skewed, so that newer strata may be beside or even below older strata. The inferred age of a geological stratum may be used to assist in dating fossils, and thereby aid in constructing histories for particular lineages. But in itself, this geological notion has little to do with biological evolution.
Why is the geolgical column not really evidence for evolution?
The geological column is not direct evidence for evolution because it primarily represents a chronological sequence of rock layers and fossils, not a documentation of evolutionary processes. Evolutionary evidence comes from the patterns of similarities and differences among living organisms, the fossil record, comparative anatomy, embryology, and molecular biology. The geological column helps provide a context for understanding the timing of evolutionary events but does not in itself prove the theory of evolution.
Why is the geological column considered to be evidence for evolution?
In itself, it isn't. The geological column is a principle used in the preliminary dating of geological features relative to other features. Palaeontology uses estimates gained through geological dating to establish timeframes for the emergence of particular forms in the fossil record. These timeframes in themselves also aren't evidence for common descent, in themselves. What is evidence for common descent is that derived forms are almost always found in geological features that are younger than the layers the oldest basal forms are found in. For example: no primates before mammals; no apes before primates; no humans before apes; and so on.
What is geological column used for?
the geologic column is used for identifying the layers in a rock sequence.
How do Darwin's findings point to micro evolution but not macroevolution?
Darwin's findings, such as natural selection, provide evidence for microevolution, which involves changes within a species over time. However, they do not offer direct evidence for macroevolution, which involves the formation of new species or higher taxa over long periods. Macroevolution typically requires additional mechanisms, like genetic mutations and genetic drift, to account for larger-scale changes.
What do scientists often use of the study macroevolution?
Scientists often use the fossil record, comparative anatomy, embryology, and genetics to study macroevolution. These tools provide evidence for how species have evolved and diverged over long periods of time. By comparing these different lines of evidence, scientists can reconstruct the evolutionary history of life on Earth.
Which statements about microevolution and macroevolution is true?
microevolution can lead to macroevolution
Is it possible to go somewhere in the world and see all major layers of the geological column in one geological formation?
answ2. No. For several reasons. When there is a major extinction event, there is not necessarily any carry-through of evolution of species.Where there is a physical interruption to a column, for example by erosion, there may be a 'regional unconformity'.But there are enough of the pieces of the puzzle left for the concept to be very useful, even if no perfect example can be found.By analogy, the Rosetta Stone is incomplete - would we consider that evidence that it was never complete.There is a valuable saying "Absence of evidence does not prove evidence of absence."A1. No. The idea of the geologic column is a hypothetical one. There is no proof that it exists, so nowhere like this on Earth.
As a group the large scale evolutionary changes that take place over long periods of time are called?
These large scale evolutionary changes that take place over long periods of time are called macroevolution. It involves the evolution of species over geological time scales, leading to the formation of new species and higher taxonomic groups.
What is a geological column?
An ideal sequence of rock layers that contains all the known fossils and rock.
How does anyone know when the Grand Canyon was formed?
By studying the geological evidence.
