The Development of Understanding of Genetics & Evolution (AQA GCSE Biology): Quizzes
📚Quizzes
Practise the questions
12 questions from this quiz
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Practise the questions
12 questions from this quiz
How long ago did organisms that become fossils typically live?
How long ago did organisms that become fossils typically live?
Millions of years ago
Where are fossils typically found?
Where are fossils typically found?
Embedded in rock layers
What conditions prevent decay when fossils form through preservation?
What conditions prevent decay when fossils form through preservation?
Absence of oxygen or moisture
What can be preserved when fossils form in the absence of decay?
What can be preserved when fossils form in the absence of decay?
Soft tissues or organic material
What happens during mineral replacement fossilisation?
What happens during mineral replacement fossilisation?
Organic parts replaced by minerals
Which body parts are commonly replaced by minerals during fossilisation?
Which body parts are commonly replaced by minerals during fossilisation?
Teeth, shells, and bones
Which are examples of preserved traces that can become fossils?
Which are examples of preserved traces that can become fossils?
Footprints, burrows, or rootlets
How do trace fossils form from footprints or burrows?
How do trace fossils form from footprints or burrows?
Ground hardens forming a cast
How do fossils provide evidence of evolution?
How do fossils provide evidence of evolution?
They show anatomy changed over time
What do similarities between fossilised species indicate?
What do similarities between fossilised species indicate?
How closely related they are
Why are fossils of early life forms rare?
Why are fossils of early life forms rare?
They were soft-bodied and decayed
Which geological processes destroyed early traces of life?
Which geological processes destroyed early traces of life?
Erosion, volcanic activity, tectonics