Geography and Earth Sciences

Allopatric speciation occurs when organisms inherit two different alleles.

Allopatric speciation occurs when organisms inherit two different alleles.

Allopatric speciation occurs when organisms inherit two different alleles.
  a. True
  b. False

jaypatel432   37   1 Reply

kellypooh97

Evolutionary trends can be reversed.

Evolutionary trends can be reversed.

Evolutionary trends can be reversed.
  a. True
  b. False

bgzhoumi   57   1 Reply

dkeysdanie

Evolutionary change always occurs slowly, over long periods of time.

Evolutionary change always occurs slowly, over long periods of time.

Evolutionary change always occurs slowly, over long periods of time.
  a. True
  b. False

luciaf99   28   1 Reply

tkelems2012

Growth and development by mitosis results in progeny that are genetically identical to the parent ...

Growth and development by mitosis results in progeny that are genetically identical to the parent ...

Growth and development by mitosis results in progeny that are genetically identical to the parent cell.
  a. True
  b. False

cristinaloayza   38   1 Reply

Xuantunich

Microevolution results from the cumulative effects of macroevolution.

Microevolution results from the cumulative effects of macroevolution.

Microevolution results from the cumulative effects of macroevolution.
  a. True
  b. False

lindseyb1220   32   1 Reply

tysonras

Most of the organisms that have ever existed are now extinct.

Most of the organisms that have ever existed are now extinct.

Most of the organisms that have ever existed are now extinct.
  a. True
  b. False

Johnni   47   1 Reply

Astalina

Darwins studies of animals in the Galapagos Islands were important in the development of the theory ...

Darwins studies of animals in the Galapagos Islands were important in the development of the theory ...

Darwins studies of animals in the Galapagos Islands were important in the development of the theory of evolution.
  a. True
  b. False

Brapbrap   55   1 Reply

chicken

The view that species change little during most of their existence and then evolve rapidly into new ...

The view that species change little during most of their existence and then evolve rapidly into new ...

The view that species change little during most of their existence and then evolve rapidly into new species is called
  punctuated equilibrium.
  a. True
  b. False

Coco   21   1 Reply

premed9

Only mutations present in sex cells are inheritable.

Only mutations present in sex cells are inheritable.

Only mutations present in sex cells are inheritable.
  a. True
  b. False

jaypatel432   28   1 Reply

mikeman2332

The phrase survival of the fittest has often been used to describe the theory of natural selection. ...

The phrase survival of the fittest has often been used to describe the theory of natural selection. ...

The phrase survival of the fittest has often been used to describe the theory of natural selection.
  a. True
  b. False

keelyhawkins   63   1 Reply

dkeysdanie

Jean-Baptiste de Lamarck developed the theory of inheritance of acquired characteristics.

Jean-Baptiste de Lamarck developed the theory of inheritance of acquired characteristics.

Jean-Baptiste de Lamarck developed the theory of inheritance of acquired characteristics.
  a. True
  b. False

sopmit   55   1 Reply

srw23557

Charles Darwin wrote On the Origin of Species.

Charles Darwin wrote On the Origin of Species.

Charles Darwin wrote On the Origin of Species.
  a. True
  b. False

applegatedogs   66   1 Reply

Amc3010

Discuss why the analysis of sedimentary environments is important in the study of historical ...

Discuss why the analysis of sedimentary environments is important in the study of historical ...

Discuss why the analysis of sedimentary environments is important in the study of historical geology. Provide some
  examples of how sedimentary rocks can indicate specific environments of deposition. Fill in the blank(s) with the approp

potato55   46   1 Reply

ecarvallo1

Explain how fossils, and especially microfossils, can be used to help determine ancient depositional ...

Explain how fossils, and especially microfossils, can be used to help determine ancient depositional ...

Explain how fossils, and especially microfossils, can be used to help determine ancient depositional environments. Fill in the blank(s) with the appropriate word(s).

Zoeyismycat   48   1 Reply

tim87101010

Describe and discuss the carbonate deposits expected in different parts of an organic reef ...

Describe and discuss the carbonate deposits expected in different parts of an organic reef ...

Describe and discuss the carbonate deposits expected in different parts of an organic reef environment. Fill in the blank(s) with the appropriate word(s).

Zoeyismycat   52   1 Reply

ecarvallo1

Compare and contrast the various types of depositional environments in which evaporite deposits ...

Compare and contrast the various types of depositional environments in which evaporite deposits ...

Compare and contrast the various types of depositional environments in which evaporite deposits form. How do these
  deposits differ? Fill in the blank(s) with the appropriate word(s).

Mroche   38   1 Reply

ecarvallo1

Compare and contrast sediments deposited from the coastline to the deep marine environment. Give ...

Compare and contrast sediments deposited from the coastline to the deep marine environment. Give ...

Compare and contrast sediments deposited from the coastline to the deep marine environment. Give examples of the
  sedimentary rocks that form by the lithification of these sediments. Fill in the blank(s) with the appropriate word(s).

cattyson   82   1 Reply

jazzyn

Describe and discuss the sedimentary deposits that you would expect in a deltaic environment. Fill ...

Describe and discuss the sedimentary deposits that you would expect in a deltaic environment. Fill ...

Describe and discuss the sedimentary deposits that you would expect in a deltaic environment. Fill in the blank(s) with the appropriate word(s).

merandaae19   41   1 Reply

Netsirk

Compare and contrast the sediments deposited in continental, transitional, and marine environments. ...

Compare and contrast the sediments deposited in continental, transitional, and marine environments. ...

Compare and contrast the sediments deposited in continental, transitional, and marine environments. Give specific
  examples of these sediment types and the environments where they commonly form. Fill in the blank(s) with the appropriate

sopmit   65   1 Reply

saundrasmith243

Crossbeds and current ripple marks can both indicate the direction of a current. Explain how ...

Crossbeds and current ripple marks can both indicate the direction of a current. Explain how ...

Crossbeds and current ripple marks can both indicate the direction of a current. Explain how crossbeds and current
  ripple marks differ and the types of environments you would expect to find them in. Fill in the blank(s) with the approp

Johnni   58   1 Reply

leg17

The gently sloping area adjacent to a continent is the ____________________. (Fill in the blank)

The gently sloping area adjacent to a continent is the ____________________. (Fill in the blank)

The gently sloping area adjacent to a continent is the ____________________. Fill in the blank(s) with the appropriate word(s).

joewalcott24   42   1 Reply

karlyphilpott

Poorly sorted, nonstratified drift deposits are called ____________________. (Fill in the blank)

Poorly sorted, nonstratified drift deposits are called ____________________. (Fill in the blank)

Poorly sorted, nonstratified drift deposits are called ____________________. Fill in the blank(s) with the appropriate word(s).

cristinaloayza   54   1 Reply

premed9

The study of Earths historical geography on a world-wide and local scale is ____________________. ...

The study of Earths historical geography on a world-wide and local scale is ____________________. ...

The study of Earths historical geography on a world-wide and local scale is ____________________. Fill in the blank(s) with the appropriate word(s).

thebeagle96   33   1 Reply

DJF101814

Sand deposits made by ____________________ are well sorted and have large (tens to hundreds of feet) ...

Sand deposits made by ____________________ are well sorted and have large (tens to hundreds of feet) ...

Sand deposits made by ____________________ are well sorted and have large (tens to hundreds of feet) cross-beds. Fill in the blank(s) with the appropriate word(s).

keelyhawkins   41   1 Reply

joanneanna

The transitional depositional environment that involves progradation is a(n)_____________________. ...

The transitional depositional environment that involves progradation is a(n)_____________________. ...

The transitional depositional environment that involves progradation is a(n)_____________________. Fill in the blank(s) with the appropriate word(s).

neonfayt   31   1 Reply

tim87101010

The three major depositional environments are ____________________, ____________________, and ...

The three major depositional environments are ____________________, ____________________, and ...

The three major depositional environments are ____________________, ____________________, and
  ____________________. Fill in the blank(s) with the appropriate word(s).

gi.x3   57   1 Reply

Icgcyvfiifctcit

Polygonal forms in clay sediments generated by repeating cycles of wet and dry are ...

Polygonal forms in clay sediments generated by repeating cycles of wet and dry are ...

Polygonal forms in clay sediments generated by repeating cycles of wet and dry are ____________________
  ____________________. Fill in the blank(s) with the appropriate word(s).

emalay516   67   1 Reply

return127

A(n) ____________________ is a long accumulation of abundant sand that lies offshore and is ...

A(n) ____________________ is a long accumulation of abundant sand that lies offshore and is ...

A(n) ____________________ is a long accumulation of abundant sand that lies offshore and is separated from the
  mainland by a lagoon. Fill in the blank(s) with the appropriate word(s).

Johnni   44   1 Reply

DJF101814

Extensive burrowing by organisms that may destroy structures by thoroughly disrupting sediments is ...

Extensive burrowing by organisms that may destroy structures by thoroughly disrupting sediments is ...

Extensive burrowing by organisms that may destroy structures by thoroughly disrupting sediments is called
  ____________________. Fill in the blank(s) with the appropriate word(s).

Kimstudies   36   1 Reply

mikeman2332

The majority of sediment transported across the continental shelf travels through ____.

The majority of sediment transported across the continental shelf travels through ____.

The majority of sediment transported across the continental shelf travels through ____.
  a. lagoons
  b. island arcs
  c. subduction trenches
  d. back-arc basins
  e. submarine canyons

gi.x3   64   1 Reply

icysparkles

____ are transitional environments because they ____.

____ are transitional environments because they ____.

____ are transitional environments because they ____.
  a. Sand dunes; involve marine and continental processes
  b. Barrier islands; involve marine and continental processes
  c. Submarine fans; involve marine and co

Zoeyismycat   62   1 Reply

lconard0726

Prograding delta deposits differ from turbidity current deposits because ____.

Prograding delta deposits differ from turbidity current deposits because ____.

Prograding delta deposits differ from turbidity current deposits because ____.
  a. delta deposits coarsen upwards, with fine sediments on bottom and coarse sediments on top
  b. turbidity current deposits coarsen upwards, with

Kimstudies   94   1 Reply

srw23557

A sample of deep-sea sediments would be expected to contain ____.

A sample of deep-sea sediments would be expected to contain ____.

A sample of deep-sea sediments would be expected to contain ____.
  a. sand
  b. sand and ooze
  c. fine-grained clays and ooze
  d. limestone
  e. coral reefs

SapphireSmoke   63   1 Reply

nino99

Analysis of ____ is the best way to determine depositional environments.

Analysis of ____ is the best way to determine depositional environments.

Analysis of ____ is the best way to determine depositional environments.
  a. textural evidence
  b. compositional evidence
  c. the present environment
  d. sedimentary structures
  e. geometrical

lindseyb1220   80   1 Reply

Avi cardinals

Fluvial is a term referring to ____.

Fluvial is a term referring to ____.

Fluvial is a term referring to ____.
  a. glaciers and glacial deposits
  b. waves and wave deposits
  c. turbidity currents and turbidites
  d. river activity and river deposits
  e. chemical proc

gi.x3   40   1 Reply

icysparkles

Graded bedding forms when ____. (Multiple Choice)

Graded bedding forms when ____. (Multiple Choice)

Graded bedding forms when ____.
  a. erosion planes off a portion of the sea bottom
  b. sediment is deposited on a steep slope or grade
  c. turbidity currents deposit first coarse-grained sediment then fine-grained

hboydston   35   1 Reply

Sauleha

An example of a biogenic sedimentary structure is ____.

An example of a biogenic sedimentary structure is ____.

An example of a biogenic sedimentary structure is ____.
  a. concretion
  b. trace fossil
  c. organic formation
  d. lagoon
  e. pelagic ooze

panda_buhr   72   1 Reply

DJF101814

In a well-sorted rock, ____. (Multiple Choice)

In a well-sorted rock, ____. (Multiple Choice)

In a well-sorted rock, ____.
  a. all grains are about the same size
  b. all rocks are about the same size
  c. all grains have cross-bedding
  d. grains are graded
  e. there are no signs of biot

Brapbrap   29   1 Reply

dalenambawan

Turbidity currents deposit sediments in ____ beds with ____.

Turbidity currents deposit sediments in ____ beds with ____.

Turbidity currents deposit sediments in ____ beds with ____.
  a. graded; fine sediments on top and coarse sediments on bottom
  b. stratified; fine sediments on top and coarse sediments on bottom
  c. graded; coarse

sunil1285   62   1 Reply

dkeysdanie

Limestone deposits most likely form in which environments?

Limestone deposits most likely form in which environments?

Limestone deposits most likely form in which environments?
  a. alluvial fans
  b. aeolian environments
  c. fluvial environments
  d. carbonate reefs
  e. lagoons

SapphireSmoke   75   1 Reply

lconard0726