Biology - C14 Fossils Flashcards
1
Q
What are fossils
A
Fossils are the remains of organisms from millions of years ago that can be found in rocks, ice, and other place.
2
Q
How are fossils formed
A
Through the absence of decay, parts replaced by minerals as they decay, and as preserved traces of organisms.
3
Q
What do fossils do?
A
Give us info about organisms that lived millions of years ago.
4
Q
Why is it difficult for scientists to predict how life on earth began?
A
There is little valid evidence. Early forms of life were soft bodied so left few traces of early life have been destroyed by geological activity.