Directly related questions
- 22N.1A.HL.TZ0.36: Two kinds of wolf spider rub specialized body parts together in order to produce distinct sounds...
- 22N.1A.HL.TZ0.36: Two kinds of wolf spider rub specialized body parts together in order to produce distinct sounds...
-
22N.2.HL.TZ0.8a:
Outline how adaptive radiation provides evidence for evolution.
-
22N.2.HL.TZ0.8a:
Outline how adaptive radiation provides evidence for evolution.
-
22N.2.HL.TZ0.a:
Outline how adaptive radiation provides evidence for evolution.
-
22N.2.HL.TZ0.8b:
Describe polyploidy and how it can lead to speciation.
-
22N.2.HL.TZ0.8b:
Describe polyploidy and how it can lead to speciation.
-
22N.2.HL.TZ0.b:
Describe polyploidy and how it can lead to speciation.
- SPM.1A.HL.TZ0.33: Polyploidy has been a cause of rapid speciation in some plant genera, such as Helianthus. Which...
- SPM.1A.HL.TZ0.33: Polyploidy has been a cause of rapid speciation in some plant genera, such as Helianthus. Which...
- SPM.1A.HL.TZ0.33: Polyploidy has been a cause of rapid speciation in some plant genera, such as Helianthus. Which...
- SPM.1A.HL.TZ0.33: Polyploidy has been a cause of rapid speciation in some plant genera, such as Helianthus. Which...
-
SPM.2.HL.TZ0.8c:
Describe the barriers that exist to hybridization between species.
-
SPM.2.HL.TZ0.8c:
Describe the barriers that exist to hybridization between species.
-
SPM.2.HL.TZ0.8c:
Describe the barriers that exist to hybridization between species.
-
SPM.2.HL.TZ0.c:
Describe the barriers that exist to hybridization between species.
- SPM.1A.SL.TZ0.23: What can lead to the emergence of analogous structures? A. Divergent evolution from a recent...
- SPM.1A.SL.TZ0.23: What can lead to the emergence of analogous structures? A. Divergent evolution from a recent...
- SPM.1A.SL.TZ0.23: What can lead to the emergence of analogous structures? A. Divergent evolution from a recent...
- SPM.1A.SL.TZ0.23: What can lead to the emergence of analogous structures? A. Divergent evolution from a recent...
Sub sections and their related questions
A4.1.1. Evolution as change in the heritable characteristics of a population
-
21N.1A.SL.TZ0.21:
Scientists studying ground finches (Geospiza fortis) on the island of Daphne Major in Galapagos found great differences in the shapes of the beaks.
[Source: Public domain.]
What is the explanation for this variation in beak shape between the birds?
A. Ground finches grow larger beaks if there is competition for food.
B. They belong to different species.
C. They are adapted for different diets.
D. The more a beak is used by a ground finch, the larger it becomes.
- 19N.2.SL.TZ0.3b: Outline how variation in organisms of the same species could lead to natural selection.
-
22M.1A.SL.TZ2.23:
Which factor(s) would favour evolution by natural selection?
I. Long lifespans
II. Favourable characteristics acquired by individuals during their lifetime
III. Variation within a species
A. II only
B. III only
C. I and II
D. I and III
- 23M.1A.SL.TZ2.18: Which statement best describes how evolution occurs? A. Species which produce the most offspring...
- 23M.1A.SL.TZ2.23: Which statement best describes how evolution occurs? A. Species which produce the most offspring...
-
21N.1A.SL.TZ0.21:
Scientists studying ground finches (Geospiza fortis) on the island of Daphne Major in Galapagos found great differences in the shapes of the beaks.
[Source: Public domain.]
What is the explanation for this variation in beak shape between the birds?
A. Ground finches grow larger beaks if there is competition for food.
B. They belong to different species.
C. They are adapted for different diets.
D. The more a beak is used by a ground finch, the larger it becomes.
- 19N.2.SL.TZ0.3b: Outline how variation in organisms of the same species could lead to natural selection.
- 19N.2.SL.TZ0.b: Outline how variation in organisms of the same species could lead to natural selection.
-
22M.1A.SL.TZ2.23:
Which factor(s) would favour evolution by natural selection?
I. Long lifespans
II. Favourable characteristics acquired by individuals during their lifetime
III. Variation within a species
A. II only
B. III only
C. I and II
D. I and III
- 23M.1A.SL.TZ2.18: Which statement best describes how evolution occurs? A. Species which produce the most offspring...
- 23M.1A.SL.TZ2.23: Which statement best describes how evolution occurs? A. Species which produce the most offspring...
A4.1.2. Evidence for evolution from base sequences in DNA or RNA and amino acid sequences in proteins
NoneA4.1.3. Evidence for evolution from selective breeding of domesticated animals and crop plants
-
22M.1A.SL.TZ2.20:
Humans have been improving crop species for thousands of years by cross-breeding plants with desirable characteristics. The photograph shows the changes in dry cobs of corn (Zea mays) over 10 000 years.
[Source: Evolution of Maize Cobs © Robert S. Peabody Institute of Archaeology,
Phillips Academy, Andover, Massachusetts. All Rights Reserved.]What is the name of the process that was used to produce modern corn?
A. Selective breeding
B. Adaptive radiation
C. Discontinuous variation
D. Natural selection
- 22M.1A.SL.TZ1.17: What could be used as evidence for evolution? I. Selective breeding of domesticated animals II....
- 23M.1A.SL.TZ2.17: Which is an example of evolution by selective breeding? A. Selection of prey animals that can...
- 23M.1A.SL.TZ2.22: Which is an example of evolution by selective breeding? A. Selection of prey animals that can...
-
22M.1A.SL.TZ2.20:
Humans have been improving crop species for thousands of years by cross-breeding plants with desirable characteristics. The photograph shows the changes in dry cobs of corn (Zea mays) over 10 000 years.
[Source: Evolution of Maize Cobs © Robert S. Peabody Institute of Archaeology,
Phillips Academy, Andover, Massachusetts. All Rights Reserved.]What is the name of the process that was used to produce modern corn?
A. Selective breeding
B. Adaptive radiation
C. Discontinuous variation
D. Natural selection
- 22M.1A.SL.TZ1.17: What could be used as evidence for evolution? I. Selective breeding of domesticated animals II....
- 23M.1A.SL.TZ2.17: Which is an example of evolution by selective breeding? A. Selection of prey animals that can...
- 23M.1A.SL.TZ2.22: Which is an example of evolution by selective breeding? A. Selection of prey animals that can...
A4.1.4. Evidence for evolution from homologous structures
- 19M.1A.SL.TZ1.20: Which are examples of homologous structures? A. The wings of bats and butterflies B. The fins...
- 21M.1A.SL.TZ1.15: What are the evolutionary origins and functions of homologous structures?
- 20N.1A.SL.TZ0.20: What process best explains the formation of different pentadactyl limbs? A. Adaptive...
- 22M.1A.SL.TZ1.17: What could be used as evidence for evolution? I. Selective breeding of domesticated animals II....
-
21M.2.SL.TZ1.5a.ii:
The bird and bat wings share homologous bone structures whereas the insect wing does not. Outline the conclusion that can be drawn about the evolution of these wings, based on homologous structures.
-
19N.1A.SL.TZ0.21:
Which pentadactyl limb is adapted for flight?
[Source: adapted from Volkov Vladislav Petrovich, https://en.wikipedia.org/wiki/Homology_(biology)#/media/File:Homology_
vertebrates-en.svg and Zebra.element, https://en.wikipedia.org/wiki/File:Bat_mouse_forelimbs.png] - 21N.1A.SL.TZ0.20: The pentadactyl limbs of mammals, birds, reptiles and amphibians are examples of which kind of...
- 23M.2.SL.TZ2.4b: Outline evidence for evolution from the limbs of mammals such as pangolins.
- 19M.1A.SL.TZ1.20: Which are examples of homologous structures? A. The wings of bats and butterflies B. The fins...
- 21M.1A.SL.TZ1.15: What are the evolutionary origins and functions of homologous structures?
- 20N.1A.SL.TZ0.20: What process best explains the formation of different pentadactyl limbs? A. Adaptive...
- 22M.1A.SL.TZ1.17: What could be used as evidence for evolution? I. Selective breeding of domesticated animals II....
-
21M.2.SL.TZ1.5a.ii:
The bird and bat wings share homologous bone structures whereas the insect wing does not. Outline the conclusion that can be drawn about the evolution of these wings, based on homologous structures.
-
21M.2.SL.TZ1.a.ii:
The bird and bat wings share homologous bone structures whereas the insect wing does not. Outline the conclusion that can be drawn about the evolution of these wings, based on homologous structures.
-
19N.1A.SL.TZ0.21:
Which pentadactyl limb is adapted for flight?
[Source: adapted from Volkov Vladislav Petrovich, https://en.wikipedia.org/wiki/Homology_(biology)#/media/File:Homology_
vertebrates-en.svg and Zebra.element, https://en.wikipedia.org/wiki/File:Bat_mouse_forelimbs.png] - 21N.1A.SL.TZ0.20: The pentadactyl limbs of mammals, birds, reptiles and amphibians are examples of which kind of...
- 23M.2.SL.TZ2.4b: Outline evidence for evolution from the limbs of mammals such as pangolins.
- 23M.2.SL.TZ2.b: Outline evidence for evolution from the limbs of mammals such as pangolins.
A4.1.5. Convergent evolution as the origin of analogous structures
- 21M.2.SL.TZ1.5a.i: Based on their structure, the insect and bat wings are analogous. Outline what is meant by an...
- 21M.1A.SL.TZ2.21: Which evolutionary pathway is most likely to result in the evolution of analogous structures in...
- SPM.1A.SL.TZ0.23: What can lead to the emergence of analogous structures? A. Divergent evolution from a recent...
- SPM.1A.SL.TZ0.23: What can lead to the emergence of analogous structures? A. Divergent evolution from a recent...
- SPM.1A.SL.TZ0.23: What can lead to the emergence of analogous structures? A. Divergent evolution from a recent...
- 21M.2.SL.TZ1.5a.i: Based on their structure, the insect and bat wings are analogous. Outline what is meant by an...
- 21M.2.SL.TZ1.a.i: Based on their structure, the insect and bat wings are analogous. Outline what is meant by an...
- 21M.1A.SL.TZ2.21: Which evolutionary pathway is most likely to result in the evolution of analogous structures in...
- SPM.1A.SL.TZ0.23: What can lead to the emergence of analogous structures? A. Divergent evolution from a recent...
A4.1.6. Speciation by splitting of pre-existing species
- 19M.2.SL.TZ1.7b: Explain how natural selection can lead to speciation.
-
21M.1A.SL.TZ2.20:
Which is an example of speciation?
A. Selective breeding to produce new varieties of the wheat Triticum aestivum with higher crop yield
B. Evolution of different courtship behaviours in separate populations of the cricket Gryllus rubens
C. Natural selection leading to an increase in the frequency of darker individuals of Biston betularia
D. Selective feeding by koalas (Phascolarctos cinereus) on Eucalyptus species
- 19M.2.SL.TZ1.7c: Explain how natural selection can lead to speciation.
- 19M.2.SL.TZ1.7b: Explain how natural selection can lead to speciation.
- 19M.2.SL.TZ1.b: Explain how natural selection can lead to speciation.
-
21M.1A.SL.TZ2.20:
Which is an example of speciation?
A. Selective breeding to produce new varieties of the wheat Triticum aestivum with higher crop yield
B. Evolution of different courtship behaviours in separate populations of the cricket Gryllus rubens
C. Natural selection leading to an increase in the frequency of darker individuals of Biston betularia
D. Selective feeding by koalas (Phascolarctos cinereus) on Eucalyptus species
- 19M.2.SL.TZ1.7c: Explain how natural selection can lead to speciation.
- 19M.2.SL.TZ1.c: Explain how natural selection can lead to speciation.
A4.1.7. Roles of reproductive isolation and differential selection in speciation
-
22M.2.SL.TZ2.7c:
Explain how speciation occurs, including the different processes of isolation and selection.
-
21M.1A.SL.TZ2.20:
Which is an example of speciation?
A. Selective breeding to produce new varieties of the wheat Triticum aestivum with higher crop yield
B. Evolution of different courtship behaviours in separate populations of the cricket Gryllus rubens
C. Natural selection leading to an increase in the frequency of darker individuals of Biston betularia
D. Selective feeding by koalas (Phascolarctos cinereus) on Eucalyptus species
- 22N.1A.HL.TZ0.36: Two kinds of wolf spider rub specialized body parts together in order to produce distinct sounds...
-
22M.2.SL.TZ2.7c:
Explain how speciation occurs, including the different processes of isolation and selection.
-
22M.2.SL.TZ2.c:
Explain how speciation occurs, including the different processes of isolation and selection.
-
21M.1A.SL.TZ2.20:
Which is an example of speciation?
A. Selective breeding to produce new varieties of the wheat Triticum aestivum with higher crop yield
B. Evolution of different courtship behaviours in separate populations of the cricket Gryllus rubens
C. Natural selection leading to an increase in the frequency of darker individuals of Biston betularia
D. Selective feeding by koalas (Phascolarctos cinereus) on Eucalyptus species
- 22N.1A.HL.TZ0.36: Two kinds of wolf spider rub specialized body parts together in order to produce distinct sounds...
A4.1.8. Differences and similarities between sympatric and allopatric speciation
NoneA4.1.9. Adaptive radiation as a source of biodiversity
-
22N.2.HL.TZ0.8a:
Outline how adaptive radiation provides evidence for evolution.
- 23M.2.SL.TZ1.17c: Distinguish between species richness and evenness as components of biodiversity.
-
23M.2.SL.TZ2.21:
Explain how biogeographic factors affect the richness and evenness of biodiversity.
-
22N.2.HL.TZ0.8a:
Outline how adaptive radiation provides evidence for evolution.
-
22N.2.HL.TZ0.a:
Outline how adaptive radiation provides evidence for evolution.
- 23M.2.SL.TZ1.c: Distinguish between species richness and evenness as components of biodiversity.
-
23M.2.SL.TZ2.21:
Explain how biogeographic factors affect the richness and evenness of biodiversity.
A4.1.10. Barriers to hybridization and sterility of interspecific hybrids as mechanisms for of preventing the mixing of alleles between species
-
SPM.2.HL.TZ0.8c:
Describe the barriers that exist to hybridization between species.
-
SPM.2.HL.TZ0.8c:
Describe the barriers that exist to hybridization between species.
-
SPM.2.HL.TZ0.8c:
Describe the barriers that exist to hybridization between species.
-
SPM.2.HL.TZ0.c:
Describe the barriers that exist to hybridization between species.
A4.1.11. Abrupt speciation in plants by hybridization and polyploidy
- 22M.1A.HL.TZ1.35: What is polyploidy? A. Having an extra set of chromosomes B. Having an extra sex chromosome C....
-
22N.2.HL.TZ0.8b:
Describe polyploidy and how it can lead to speciation.
- SPM.1A.HL.TZ0.33: Polyploidy has been a cause of rapid speciation in some plant genera, such as Helianthus. Which...
- SPM.1A.HL.TZ0.33: Polyploidy has been a cause of rapid speciation in some plant genera, such as Helianthus. Which...
- SPM.1A.HL.TZ0.33: Polyploidy has been a cause of rapid speciation in some plant genera, such as Helianthus. Which...
- 22M.1A.HL.TZ1.35: What is polyploidy? A. Having an extra set of chromosomes B. Having an extra sex chromosome C....
-
22N.2.HL.TZ0.8b:
Describe polyploidy and how it can lead to speciation.
-
22N.2.HL.TZ0.b:
Describe polyploidy and how it can lead to speciation.
- SPM.1A.HL.TZ0.33: Polyploidy has been a cause of rapid speciation in some plant genera, such as Helianthus. Which...