Almost the entire system of an embryo is made of cartilage, whereas that of an adult is mostly made of bones.
Translocation has taken place, you can tell by the rearrangement of nonhomologous chromosomes.
4. DNA sequence comparison
5. Random mutations
Answer:
the sun
Explanation:
All the energy in oil, gas, and coal originally came from the sun, captured through photosynthesis. In the same way that we burn wood to release energy that trees capture from the sun, we burn fossil fuels to release the energy that ancient plants captured from the sun.
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