3.1 Identify:

(a) Fossil A

(b) Fossil B

Describe how these fossils may have formed in sedimentary rock.

3.3 Name TWO other ways that fossils are formed, other than in sedimentary rock.

3.4 Scientists use radioactive isotopes such as carbon-14 or potassium-40 to date fossils. What is this method of dating fossils called?

Question

28-07-2024
Biology

Answered

3.1 Identify:

(a) Fossil A

(b) Fossil B

Describe how these fossils may have formed in sedimentary rock.

3.3 Name TWO other ways that fossils are formed, other than in sedimentary rock.

3.4 Scientists use radioactive isotopes such as carbon-14 or potassium-40 to date fossils. What is this method of dating fossils called?

Answer :

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Final answer:

Fossils form in sedimentary rock by organisms being buried in sediment and turning into rock through mineral replacement. Other ways include permineralization and amber preservation. Radiometric dating, using radioactive isotopes, is used by scientists to date fossils.

Explanation:

Fossils Forming in Sedimentary Rock: Fossils in sedimentary rock form when a dead organism is buried in sediment, which then turns into rock. The remains of the organism are replaced by minerals, resulting in the formation of a fossil.

Other Ways Fossils Form:

Permineralization: Minerals fill in the pore spaces of an organism's remains.
Amber Preservation: Organisms become trapped and preserved in hardened tree sap.

Radioactive Isotope Dating: Scientists use radioactive isotopes like carbon-14 or potassium-40 to date fossils, known as radiometric dating.

Learn more about Fossil Formation here:

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