Suppose you found a fossil of a clam shell what can you conclude about the once-living organism and how it became a fossil?
I can conclude that the once-living organism used to live in water, because of the fact that the fossil is a clam-shell. It became a fossil after it had died. Over time, the clam-shell would get buried in sediment, and eventually become a fossil.
Next time add a bit more detail. It's very important to explain how you got your answer.
Bonnie Key that is a good example
The living organism once lived in the ocean, and it died...So it got buried in sediment.
Conclusion:
I was a living organism, died, and became a fossil.
😈
It was a living organism and died, and i got buried in sediment.
😈
The fossils would have been a small creature, to have fit in a clam shell, and it obviously lived in the water. It would have fossilized over time.
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yeah I have to agree with OhHello There because that is good information and btw thx Bonnie key
Assume the pictured Opabinia just died. What would need to happen for it to become a mold and cast fossil? List at least three steps.
Molds and casts are used in paleontology to preserve fossils of once-living organisms. A fossil is a preserved imprint of a once-living organism.
A mold is just an imprint of an object/organism.
A cast is a duplicate of whatever made the mold. A cast can only be made if you have a mold. By filling a mold with a liquid material that will eventually harden, a duplicate of the original once-living organism can be made.