The conclusion that is most reasonable is that The fossils are from an ancestor of animal T. That is option 2.
Fossil records are made up of fossils that has been analysed, documented and arranged chronologically and in taxonomic order.
These fossil records contains remains or imprints of organisms from earlier geological periods preserved in sedimentary rock.
The fossil records are used to provide evidence that organisms from the past are not the same as those found today, and demonstrate a progression of evolution.
Therefore, the fossils discovered are from an ancestor of animal T.
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