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Fossils are used to show changes because they are permanent. These fossils are also old and show evolutionary changes in species alive today.
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How does the position of fossils in layers show evolutionary changes?
Assuming the layers aren't deformed, the lowest deposition layers are the earliest. Later deposition layers accumulate on top of the earlier layers. Thus, the lowest layers have the earliest fossils, and the highest layers have newer fossils. By comparing the features of early and late fossils of a species, you can determine some of its evolutionary changes. Of course, not all features survive in a fossil - soft tissues, for example.
How does the field of genetics contribute to the study of evolution today?
Genetics is a very important part of biological evolution because it allowed us to study the genetics of various organisms and see how related to other species and to us they were. From this, we could work out how long it has been since two species diverged from a common ancestor based on how genetically different or similar the two species were.
What is descent with modification and how do fossils help it?
Descent with modification is a principal that is closely linked to natural selection. It means that the descendants of a parent species will have been slightly modified, and their descendants will be slightly modified, and so on. Natural selection is the engine that drives this modification- and ensures that this change is in a direction that better suits the species to its environment. In this way, species are constantly changing, though extremely slowly. The geological record can show how a certain species has slowly changed over time. As we follow a species through hundreds of thousands of years, parts of its organization become modified as the species becomes better suited to its environment, or to other environments that allow it to extend its range. These changes in physical aspects can be seen in fossils and show, for example, how a fin for swimming evolved into a leg for walking.
Fossils show that there have been many?
Fossils show that there have been many plants and animals that no longer exist.
What can rock fossils and original remains show about earths past?
it can show the futur
How are fossils an example of evolution?
Fossils show certain species underwent small changes over a period of years the rock in which the fossil is encased dates the fossil and so they can put them in order to show the progression of the physical changes
How are fossils used to show changes in Antarctica?
plant fossils (glossopteris) were found there.
How do fossils help geologists?
Fossils help geologists discover new species. Fossils also explain and show the age of the specimen and change in life forms.
How does the position of fossils in layers show evolutionary changes?
Assuming the layers aren't deformed, the lowest deposition layers are the earliest. Later deposition layers accumulate on top of the earlier layers. Thus, the lowest layers have the earliest fossils, and the highest layers have newer fossils. By comparing the features of early and late fossils of a species, you can determine some of its evolutionary changes. Of course, not all features survive in a fossil - soft tissues, for example.
How do fossils give proof of evolution?
Fossils show clear evidence that the earliest human species had many apelike features & have evolved over the years.
Closely related species show more in nucleotide sequences than distantly related species?
similarity
What do evolutionists believe fossils prove?
Fossils show that the organisms that were around a long time ago were not the same ones that are around now, indicate that life changes over time.
What is descent with modification. and how do fossils help show it?
Descent with modification is a principal that is closely linked to natural selection. It means that the descendants of a parent species will have been slightly modified, and their descendants will be slightly modified, and so on. Natural selection is the engine that drives this modification- and ensures that this change is in a direction that better suits the species to its environment. In this way, species are constantly changing, though extremely slowly. The geological record can show how a certain species has slowly changed over time. As we follow a species through hundreds of thousands of years, parts of its organization become modified as the species becomes better suited to its environment, or to other environments that allow it to extend its range. These changes in physical aspects can be seen in fossils and show, for example, how a fin for swimming evolved into a leg for walking.
What can embryos tell us about evolution?
Actually yes it can. Embryos, DNA sequences, and fossils amongst others things can help show similarities within species. This can show that those species have similar traits because they evolved from a common ancestor. But those differences show why they are different species and thus evolving.
What can an embryo tell us about evolution?
Actually yes it can. Embryos, DNA sequences, and fossils amongst others things can help show similarities within species. This can show that those species have similar traits because they evolved from a common ancestor. But those differences show why they are different species and thus evolving.
How does the field of genetics contribute to the study of evolution today?
Genetics is a very important part of biological evolution because it allowed us to study the genetics of various organisms and see how related to other species and to us they were. From this, we could work out how long it has been since two species diverged from a common ancestor based on how genetically different or similar the two species were.
How are fossils a piece of evidence to support evolution?
Fossils show the progression of ancient organisms. By comparing older fossils with more recent fossils, we can see how older ones are related in body structure to newer ones, supporting the idea that new generations evolve from older ones.
