types of fossils Flashcards
(4 cards)
1
Q
what are trace fossils
A
Trace fossils record the movements and behaviours of organisms.
2
Q
Ice and peat fossils
A
Under certain conditions fossils might not have been created. Parts of organisms do not always decay because the conditions needed might be absent, and so they may be preserved in different ways
3
Q
Preserved Remains
A
The rarest form of fossilisation is the preservation of original skeletal material and even soft tissue. Several mammoths and even a Neanderthal hunter have been discovered frozen in glaciers.
4
Q
Mold fossils
A
A fossil mould is created when a shell or other structure is buried in sediment and then dissolved by underground water.