What does the principle of faunal succession state?
a. rock layers with the same unique grouping of fossils are of the same geologic age.
b. absolute dating is required to determine the relative age of animals based on their fossils.
c. specific groups of organisms have followed one another in a definite sequence through the earth's history.
d. fossils are deposited in approximately horizontal layers and spread out until they reach a barrier.
The principle of faunal succession state "Specific groups of organisms have followed one another in a definite sequence through the Earth's history."
Explanation:
Faunal succession basically means is that the fossils of the flora and fauna of different eras can be found in a specific order and never in the same strata. This allows the geologists to determine the time sequence and also to identify the various strata by dating the fossils that are found in each of them. The older version of fossils are found beneath the fossils of modified versions. For example fossils of simple feathers that cannot support flight are found to be succeeded by fossils of more complex feathers.
D.
Explanation:
Different species of flora and fauna are found in a specific order in the sedimentary rock strata in regard to the geological time they lived in.
Explanation:
The principle or law of faunal succession, proposed by English geologist William Smith, states that different species of both flora and fauna are found in a specific order in the sedimentary rock strata in regard to the geological time they lived in. These fossils follow a succession, that is, they succeed each other vertically.
For example, two organisms that lived during different geological periods, let's say one from the Triassic and the other from the Ordovician, will never be found in the same stratum because they are separated by thousands to millions of years.
This pattern is crucial for paleontologists because it allows them to determine which species inhabited a certain ecosystem during the same geological era or period.
I think B
Explanation:
The principle of faunal succession states that fossil, animal and plant groups occur in the geological record according to an invariable and determined order, so that, if this order is known, it is possible to determine the relative age of the layers from their fossiliferous content. That is, according to this principle, fossil is equal to time. This principle was initially used as a practical instrument, but years later was explained by Darwin's theory of evolution: Since there is an irreversible biological evolution across geological time, fossils must be ordered in time on an evolutionary scale.
It provides a defined order to the succession of organisms.
Explanation: Relative dating of rocks involves the relative or comparative determination of age with reference to past events. There are several principles involved in carrying out relative dating. Some of these principles are:1. Principle of inclusion2. Principle of inclusion 3. Principle of fossil and fauna succession The Principle of fossil and fauna succession postulates that fossil and fauna succeeds one another in a definite pattern. It is this defined order that we use to achieve relative dating of rocks. Plant and animal remains constitutes the fauna and fossils used in dating the rocks. When we find a particular fossil in a rock, we can place that rock in its appropriate geological time. We can even go further by correlating rock types using their fossil contents.
D. It provides a defined order to the succession of organisms.
Explanation:
Relative dating of rocks involves the relative or comparative determination of age with reference to past events. There are several principles involved in carrying out relative dating. Some of these principles are:
1. Principle of inclusion
2. Principle of inclusion
3. Principle of fossil and fauna succession
The Principle of fossil and fauna succession postulates that fossil and fauna succeeds one another in a definite pattern. It is this defined order that we use to achieve relative dating of rocks.
Plant and animal remains constitutes the fauna and fossils used in dating the rocks. When we find a particular fossil in a rock, we can place that rock in its appropriate geological time. We can even go further by correlating rock types using their fossil contents.
This allows for strata to be identified and dated by the fossils found within. ... The fossil content of rocks together with the law of superposition helps to determine the time sequence in which sedimentary rocks were laid down. Evolution explains the observed faunal and floral succession preserved in rocks.
Hoped i'm right lol
The answer is A
Explanation:
According to the principle of faunal succession, the sedimentary rocks are comprised of fossilized plants and animals that are present distinctly in a vertical sequence of rocks, and those fossils that are found at the bottom of the sequence depicts older fossils and describes older geological events.
On the other hand, those fossils that are on the apex are the younger one and signifies a much recent event.
These fossils are very important in the relative dating method of rocks. After applying the dating methods, these fossils provide a distinctive age that enables the geologists to determine and distinguish the events that have taken place in the past and in the recent.
Thus, the principle of faunal succession is very helpful in the relative dating of rocks.