The fossil record demonstrates that there has been significant change in the complexity of species across time.
What are fossil fuels?
Fossil fuels are obtained beneath the earth's crust, which is formed due to buried plants and animals. the excessive heat under the earth crust heats the plants and animals.
Fossil fuel took a long time to form, it comes under the nonrenewable source of energy.
Fossils give evidence for the growth and evolution of life on Earth over millions of years, as well as when species existed.
Plants and animals change as the world around them changes. Except a few living fossils, the animals we observe now are vastly different from those that existed previously.
Hence, the fossil record may be used to demonstrate how creatures evolved in response to changing environments. This is the outcome of species evolution through time.
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