NS term 4 grade 5 Fossils Flashcards
Where are fossils found
in sedimentary rock
What are fossils
ancient remains of plants or animals formed over millions of years inside rocks
Why do scientists get exited?
It tells them about first life on the planet (or life long ago)
name in 4 steps the fossil process
- plants or animals die, sink to bottom of water or fall to the ground. Are covered with sand or rock pieces.
- Soft parts decompose, leave behind hard parts
- Covered with more mud/sand (sediment)
- Sediment hardens and fossils form (are trapped)
what is a sediment
something that settles down (like sand or stone)
Why are animals in wet places more likely to become fossils
they need a settlement on them soon after they die to be buried. water carries such sediment
what is exctint?
no longer living on earth
is it true or false: many animals that became fossils are extinct
true
What is a paleontologist
someone who studies fossils
what can fossils tell us about?
name 3 things we can learn form fossils
what something looked like, how they behaved, what the climate was, how the plant or animal may have died
what do we mean when we say an organism is extinct
is is no longer living on erath
what 2 main type of fossil are there
body fossil and trace fossil
what are body fossils and give an example of 2
fossils from hard body parts (teeth, skeleton, seeds)
what are trace fossils
fossils formed of traces that animal or plants left behind
name 2 trace fossils
egg, footprints, nestst