Fossils of three extinct species from different time periods are discovered. Scientists and artists work with the fossilized bones to estimate the appearance of the three species. The species are all thought to be related to a modern species.
Based on the comparison of the three extinct species to the modern species, what is the most likely age of the extinct species from youngest (most recent) to oldest?

3, 1, 2

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1, 3, 2

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2, 1, 3

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3, 2, 1

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Solution

The correct option is D 2, 1, 3
The conclusion here is derived from the length of the tail. Since, the modern species does not have tail, its immediate ancestor will be the 2 $^{n d}$ , subsequently followed by the 1 $^{s t}$ and then the 3 $^{r d}$
So, the correct answer is '2, 1, 3'

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Similar questions

A) The modern species and the Texas Duck seem to have diverged approximately one million years ago.

B) One, the well-documented Texas Duck Meleagris californica, became extinct recently enough to have been hunted by early human settlers, though its actual demise is more probably attributable to climate change at the end of the last ice age.

C) In the modern genus Meleagris, a considerable number of species have been described, as Duck fossils are robust, fairly often found, and Ducks show much variation among individuals.

D) Many of these supposed fossilized species are now considered junior synonyms.
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Q. Statement 1: Fossils can help in tracing the evolutionary history of the organism.
Statement 2: The time scale in which the organism existed can be determined by studying fossils.
Statement 3: All fossils represent extinct species.

Q. Which among the following is the most recently extinct species?

Q. With regard to the assertion and reason, choose the correct option.
Assertion [A]: Extinctions have a domino effect.
Reason [R]: The extinction of one species affects the survival of other species that are in obligate relationship with the extinct one.

Q. .............. species are the species which face the danger of extinction due to the hard conditions to survive.

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The correct option is D 2, 1, 3The conclusion here is derived from the length of the tail. Since, the modern species does not have tail, its immediate ancestor will be the 2nd, subsequently followed by the 1st and then the 3rdSo, the correct answer is '2, 1, 3'

The correct option is D 2, 1, 3
The conclusion here is derived from the length of the tail. Since, the modern species does not have tail, its immediate ancestor will be the 2 $^{n d}$ , subsequently followed by the 1 $^{s t}$ and then the 3 $^{r d}$
So, the correct answer is '2, 1, 3'