Types of fossils

Question 1

What is a fossil?

Answer 1

A preserved REMINANT, IMPRESSION or TRACE of an organism from a past geological age

Question 2

What is a preserved remains fossil?

Provide 3 examples it can occur in, and define it

Answer 2

type of fossil where the actual remains of an organism are preserved in a **relatively unaltered state. **

Preservation oft include soft tissue which lost in other types o fossils

usually found in environments that inhibit decay and decomposition

Question 3

What is a trace fossil? (ICHNOFOSSIL)

Answer 3

capture the activity of ancient organisms, such as footprints, burrows, coprolites (fossilized excrement), and feeding marks.

They provide insights into the behavior and movement of the organisms

Question 4

What is a MOULD/CAST fossil?

Answer 4

Molds are formed when an organism is buried in sediment and then decays, leaving an empty space in the shape of the organism.

THEN:::::: A cast forms if this space later fills with minerals or other sediments, creating a replica of the original organism.

Question 5

what is a PETRIFIED fossil

Answer 5

a type of fossil where the organic material of an organism is gradually replaced by minerals, turning it into stone while preserving its original structure in detail.

Question 6

what is a carbon film fossil

Answer 6

fossils form when an organism is compressed by layers of sediment, leaving a carbon imprint on the rock.

revealing surface features and sometimes even cellular structures

Question 7

Body Fossils

Answer 7

actual physical remains of an organism, such as bones, teeth, shells, and leaves

provide direct evidence of the form and structure of the ancient life