Worms and jellyfish are two organisms that are found in the fossil record of a different geologic era but that are still living on earth today because of the relatively low activity and metabolic rates.
Fossils are the remains of dead plants and animals which have been preserved over a long period of time.
Fossils are usually present in rocks, ice or in tar pits.
Some organisms have survived over a long period of time and are found in fossil records and are still living on earth today.
Some of these organisms include soft-bodied creatures like worms and jellyfish.
These organisms have been able to survive because of the relatively low activity and metabolic rates of these organisms as well as their ability to adapt to changes in their environment.
Also, the environment of these organisms have undergone very few changes.
In conclusion, the ability of organisms to survive over a long period of time is due to the ability to adapt to changes in their environment.
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