Dead remains of two species A and B were buried. Later only A's body was found to be fossilised, but not B's. Give reasons to explain it.
Dead remains of two species A and B were buried. Later only A's body was found to be fossilised, but not B's. Give reasons to explain it.
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Answer:
Fossils are dead remains of an organism preserved by natural processes. In addition, traces or impressions of a living organism is also called fossil.
They are usually found in sedimentary layers.
Hard parts such as bones, shells, et cetera buried in silt and mud harden into rocks over time.
If only species A is found to be fossilized but not species B, then species B must have decomposed completely due to which no remains were left to be fossilized.
In contrast, species A might have some hard structures which could not be decomposed properly due to which they were fossilized.