1.This question has not been answered completely Oldest know land animal are the
ID: 159864 • Letter: 1
Question
1.This question has not been answered completely
Oldest know land animal are the:
A. Rhynias
B. millipedes
C. Hydnoceras
Point Value: 2
2.This question has not been answered completely
Oriskany sandstones was derived from:
A. erosion of old limestones
B. erosion of old sandstones
C. erosion of old evaporites
Point Value: 2
3.This question has not been answered completely
The Caledonian belt is a twin of the:
A. northen Antler belt
B. northern Ellesmerian belt
C. northern Appalachian-East Greenland system
Point Value: 2
4.This question has not been answered completely
What highlighted mid-Paleozoic time was the explosive evolution of :
A. Fish
B. Stromatolites
C. brachiopods
Point Value: 2
5.This question has not been answered completely
The Acadian event was caused by the collision of the E. North America plate with:
A. Taconian land
B. Franklin belt
C. Avalonia microcontinent
Point Value: 2
6.This question has not been answered completely
Unusual large number of great reef complexes formed during:
A. Cambrian
B. Silurian and Devonian times
C. Ordovician
Point Value: 2
7.This question has not been answered completely
Western and northern margins of N. America had been passively sinking during:
A. Middle Paleozoic
B. Early Paleozoic
C. Late Paleozoic
Point Value: 2
8.This question has not been answered completely
One of the most primitive land plants known was:
A. Gilboa
B. Lycopsids
C. Rhynia
Point Value: 2
9.This question has not been answered completely
Marine Circulations into Michigan basin was restricted during Late Silurian by:
A. deep water landslides
B. deep sea basins
C. reef barriers
Point Value: 2
10.This question has not been answered completely
During Devonian time, Euramerica was surrounded by:
A. transform boudaries
B. subduction zones
C. divergent margins
Point Value: 2
11.This question has not been answered completely
Paleoclimate during the middle Paleozoic was warm as indicated by:
A. evaporites and reefs
B. tillites
C. dropstones
Point Value: 2
12.This question has not been answered completely
Silurian and Devonian reefs are of special interest because their significance as:
A. meteorite impact sites
B. oil traps and metallic ores
C. volcanic calderas
Point Value: 2
13.This question has not been answered completely
Unusual Silurian iron-rich sedimentary deposits found in the:
A. central Appalachian
B. south Appalachian
C. northern Appalachian
Point Value: 2
14.This question has not been answered completely
Devonian corals had about______growth lines.
A. 360
B. 700
C. 400
Point Value: 2
15.This question has not been answered completely
A classic Devonian reef complex is exposed in:
A. Bahama
B. Florida
C. windjana Gorge, Australia
Point Value: 2
16.This question has not been answered completely
The top predators in the Silurian were:
A. nutiloids
B. eurpterids
C. ammonoids
Point Value: 2
17.This question has not been answered completely
Ordovician Volcanic ash and graptolite mud within the Appalachian region reflect:
A. tectonic unrest due to convergent activities
B. sea floor spreading
C. Global cooling
Point Value: 2
18.This question has not been answered completely
Clastic wedges are characteristically associated with:
A. sea floor spreading
B. continental rifting
C. tectonic orogenies
Point Value: 2
19.This question has not been answered completely
The Ordovician collision between N. America and Avalonia defined by:
A. the Atlantic ocean
B. suture zone
C. transform faults
Point Value: 2
20.This question has not been answered completely
Idealized Ordovician sequence of ophiolite upward through flysch strata to molasse deposits represent:
A. progression from nonmarine to continental conditions
B. progression from deep-marine to non-marine conditions
C. progression from sea floor spreading to contintal rifting
Explanation / Answer
1. Silurian millipedes are the oldest land animal which belong to scotland. It lived 428 million years ago in late silurian.
2. It is a sandstone or quartzite . This rock slowly erodes into white quartz sand that often washes or blows away.but sometimes it may get deposited at large outcrops
3. It is the twin of the northern appalachian east greenland system.which is comprises of redstone.
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