Please Answer: A scientist discovers a fossil of a new organism and places it in the fossil record. The fossil shows the organism had similar structures to organism X, which appears later in the fossil record. Which conclusion about the organisms is most reasonable?
A.
The fossils are from an organism that is an ancestor of organism X.
B.
The fossils came from the same organism.
C.
The fossils are from organisms that lived in the same location.
D.
The fossils are from an organism that is a descendant of organism X.
1) The fossils are from a descendant of animal T.
2) Organisms with traits that help them survive and reproduce in their environment pass on those traits.
3) A, C, B
4) Which animal is older?
5) Fossils of Archaeopteryx have traits of both dinosaurs and birds.
A. The most reasonable conclusion is that the fossils are from an ancestor of organism X, as it shows similar structures to the later organism in the fossil record. This suggests a potential evolutionary relationship between the two organisms, with the earlier organism being an ancestor to the later one.
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To determine which conclusion about the organisms is most reasonable, we need to analyze the information provided.
According to the scenario, the scientist discovers a fossil of a new organism and finds that it has similar structures to organism X, which appears later in the fossil record. This suggests that there is some relationship or connection between the two organisms.
To arrive at the most reasonable conclusion, we can apply the principle of superposition, which states that in undisturbed rock layers, the lower layers are older than the upper layers. In this case, since the fossil of the new organism was found before organism X, we can deduce that the new organism existed before organism X.
Taking this into account, the most reasonable conclusion would be:
A. The fossils are from an organism that is an ancestor of organism X.
By comparing the characteristics of the fossils, their relative positions in the fossil record, and applying the principle of superposition, we can make the inference that the new organism represents an ancestral form that preceded the appearance of organism X.