Animal fossils may preserve hard parts such as shells and bones.
<h3>Are fossils bones? What evidence did plant and animal fossils contain?</h3>
Fossils are evidence of prehistoric organisms (plants or animals) that are at least 10,000 years old. The most common and obvious fossils are the skeletons, bones and teeth of surviving animals, but there are also fossils of footprints and skin marks. Other fossils that are also evidence of past life include leaf marks, footprints and trails, cavities, feces, and root marks.
<h3>What is the evidence for evolution from fossils? </h3>
fossils record the existence of extinct species, indicating that different organisms inhabited the Earth at different times in Earth's history. It also helps scientists reconstruct the evolutionary history of modern species.
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Some animal cells, such as amphibian eggs, never have a complete ring, but form a spreading arc
! I don’t know if that’s what you’re talking about !
When you are a baby you have 300 bones and when you're a adult you have 200 bones. hoped this helped!!!:-)
Answer:
In horizontal rock layers, the oldest layer is at the bottom. Each higher layer is younger than the layers below it.
Explanation:
