kenishawilkinsoy4mgw
kenishawilkinsoy4mgw
20.11.2020 • 
Biology

Scientists estimate that if index fossils were deposited during a certain time frame, then the entire rock layer was also deposited at the same time. Neptunea
Pecten
Cenozoic
Era
Mesozoic
Era
Quaternary
Period
Tertiary
Period
Cretaceous
Period
Jurassic
Period
Triassic
Period
Permian
Period
Pennsylvanian Dictyoclostus
Calyptraphorus
o
Venericardia
Scaphitese Inoceramus
Perisphinctes Norinea
Trophites
Monotis
Leptodus Parafusulina
Lophophyllidium
Cactocrinus G Prolecanites
Mucrospirifer Palmatolepus
Crystiphyllum Hexamoceras
Bathyrus Tetragraptus
Paradoxides Billingsella
Period
Mississippian
Period
Devonian
Period
Silurian
Period
Ordovician
Period
Cambrian
Period
Paleozoic
Era
Precambrian
Scientists found trilobite and brachiopod index fossils in cliffs a great distance apart from each other. What can scientists infer about the rocks in which these fossils were four
the age of the rock
o the slope of the rock
O the density of the rock
the weathering of the rock

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