INHERITANCE VARIATION AND EVOLUTION - Fossils

Question 1

Fossils

Answer 1

Remains of organisms from millions of years ago that are found in rocks

Question 2

1) How Are Fossils Formed

Answer 2

Parts of organisms that have not decayed because one or more of the conditions needed for decay are absent.

Question 3

2) How Are Fossils Formed

Answer 3

When parts of the organism are replaced by minerals as they decay. As preserved traces of organisms, such as footprints, burrows and rootlet traces

Question 4

Why Are There Gaps In The Fossil Record?

Answer 4

Many early life forms of life were soft-bodied meaning that they have left very few traces behind. What traces there were may have been destroyed by geological activity