Vocabulary | True or False | Fill in the blank | Layers, layers, and more layers | All About Fossils! |
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Layer
Define strata
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False
True or False
Trace fossils are often found in amber |
Tar, ice, and amber
Original remains are found in __, __, or __
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A
Which strata is the youngest in column
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When left I undisturbed, the oldest strata is always at the bottom of the sequence.
What is the Law of Superpostion
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False
True or False
Relative age is the record of fossils kept by paleontologists |
Fossil record
The __ is all of fossils people have ever collected
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B and C
Which two stratas were disturbed in II
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|
What is it called when an organism decomposes, it leaves a space in the surrounding rock
What is a mold
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True
True or False
Index fossils are the remains of an organism that was common and widespread but existed for only about one million years or less |
Footprints; burrows
Footprints; burrows Trace fossils are fossilized __, trails, and __
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It might have been a body of water
What do the different organisms found in the layers show about the previous landscape
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Sediment or minerals the fill the void from the mold and creates a copy of the organisms original shape
What is a cast
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False
True or False
A fossil has to be at least 700 years old |
Layered
Sedimentary rock is made out of __ sediments
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A&A, B&C, C&B, D&D, and E&E
A&A, B&C, C&B, D&D, and E&E Which stratas are the most similar from column
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|
Animals that died out a long time ago
What is extinct
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True
True or False
Living and dead can things can be fossils |
Absolute Dating
Any method of measuring the actual age of something is __
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Why does column
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