Academic Integrity: tutoring, explanations, and feedback — we don’t complete graded work or submit on a student’s behalf.

1.This question has not been answered completely Oldest know land animal are the

ID: 159808 • 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. B) millipedes

Discovered in 2004 that lived 428 million years ago

3) C. northern Appalachian-East Greenland system

15. C. windjana Gorge, Australia

18) C. tectonic orogenies