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Fossils in newers layers of earth tend to resemble current?

The principle of fossil succession states that fossils found in younger layers of rock tend to be more similar to current species, while fossils in older layers differ more. This is because newer fossils represent species that have evolved and survived to the present day, while older fossils may belong to species that have become extinct. This pattern helps scientists understand the evolution and biodiversity of life on Earth.


Fossils in newer layers of the earth tend to resemble current?

organisms


How did the study of organisms on islands help support Darwin's ideas?

It Gave evidence and the fossil organisms on the bottom or older layers were more primitive than those in upper or newer layers.


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.


What is law of superpositions?

Superposition is the principle that states that, in undisturbed strata, newer layers will be deposited over older layers; thus, in a core sample, those samples of earth and rock nearest the surface will be newer in age than those beneath them.


How are rock layers used to determine the relative ages of fossils?

The Principle of Superposition argues that rock layers towards the top are younger than those at the bottom. This was the principal technique used in the early days.Fossils have discontinuities - a group will appear, and after a time will vanish again. But very similar fossils appear around the world at the same time.This subject paleontology, has good records, and a newly found fossil can usually be identified by comparison with the paleontological record.Today of course, radiometric dating is used very widely to determine the age of both rocks themselves, and of fossils. These techniques use the half-life of radioactive elements to determine the age.


What is the Law of Superposition?

Superposition is the principle that states that, in undisturbed strata, newer layers will be deposited over older layers; thus, in a core sample, those samples of earth and rock nearest the surface will be newer in age than those beneath them.


Why are sediments usually found in layers?

Sediments are usually found in layers because they are deposited gradually over time, with newer sediments settling on top of older ones. Different sediment types can produce distinct layers based on factors such as grain size, mineral composition, or changing environmental conditions. This layering process helps to provide a historical record of the Earth's geologic and environmental changes.


What does the The Law of Superposition state?

Principle stating that older rock layers are beneath younger rock layers.


When archaeologists study an excavation site objects found closer to the surface are?

Not as old as those found deeper


Why would newer rock layers ever be below older rock layers?

Due to faulting or folding.


How can you tell which fossil is the oldest or the youngest?

The fossils that are further up among the layers would be newer because they were formed before the others.When fossils are further down in the ground they are older because they had been covered up longer in time.