Time Periods
Preservation
Plants
Dinosaurs
Fish
100
What is the country that primarily consists of Precambrian rocks?
Canada
100
Name onlytwo types of preservation?
Cast, molds, amber, frozen
100
What is the type of tree that is an important Carboniferous tree?
Scale Tree
100
What is the time period for Synapsids?
Carboniferous to present
100
Does the Agnatha heva a jaw?
No it is jawless
200
What time periods is the Lower Palaeozoic consisted of?
Cambrian, Ordovician, and Silurian periods
200
What is the organism that can be preserved in amber?
Insects
200
What type of seeds do glossopteris have?
Permian
200
Are Synapsids considered reptiles?
Yes mammal reptiles
200
What is the other name for the Cartilagenous fish?
Chondrichthyan
300
What time periods do the Upper Paleozoic consist of?
Devonian, Carboniferous, and Permian
300
Name two types of molds?
Internal and external
300
What is the continent where scal trees are mostly found?
North America
300
What is the other name for Synapsids?
Pelycosaurus
300
Bony Fish
What is the common name for the osteichthyans?
400
What is the time period(years) of the Triassic Period?
248 and 213 million years ago
400
Steinkerns
What is the other name for interanal molds?
400
What is a known example of a scale tree?
Lepidodendron
400
What is the time period of Theraspids?
Permian to Cretaceous
400
What is the common name for placoderms?
Armored Fish
500
What are two of the first types of dinosaurs that belong to the Triassic periods?
Coelophysis and Staurikisauru
500
What do internal molds perserve?
Features of the inside of the shell
500
What is the shape of the leaves in the Glossopteris type plant.
Tongue Shaped
500
What is the leg position of Theraspids.
Legs positioned more vertically under body
500
What is the most common fish during the cenozoic time period?
Ray-Fin Fishes
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