Planet Earth: Fossils Flashcards
What are fossils?
The remains or signs of ancient plants and animals preserved in rock.
What is the defernition of ANCIENT?
Things from a very long time ago.
What are fossils formed in?
Sedimentry Rocks
Name 2 mammals that lived on earth long ago but now extinct.
Dinosaurs, wooly mammoths, ect.
What is a BODY FOSSIL?
Hard parts of the body.
What is a TRACE FOSSIL?
Footprints that are fossils.
What do body fossils tell us?
It tells us the animals/plants body structure.
True or False: Trace Fossils are remains of a plant or animal’s body.
False
What are CYCADS?
Plants with hard spiky leaves and big cones.
What do you call ‘The History Of Fossils’
A FOSSIL RECORD.
What does preserved mean?
It did not rot away.
Why are fossils important?
They tell us about plants and animals that lived millions of years ago.
What does extinct mean?
No longer exists. Such as some plants and animals that no longer exist.
How are fossils formed?
When living things are trapped in the layers of sedimentary rocks.
What do the layer in sedimentary rocks tell us about the age of fossils?
If the fossil is at the top layer it is younger than fossils found on the bottom layers.
