Question 1

A sterile hybrid plant can form a fertile new species if its chromosomes are doubled. What is this referred to as?

Accepted Answer

A) an allopatric speciation 
B) cladogenesis 
C) a hybrid zone 
D) sympatric speciation 
A) an allopatric speciation 
B) cladogenesis 
C) a hybrid zone 
D) sympatric speciation

Question 2

How did researchers establish the connection between chimpanzees and humans?

Accepted Answer

Researchers examined the chromosomes of

Question 3

What may be a feature of the organisms in a clinal variation?

Accepted Answer

A) They look identical. 
B) They do not have a normal lifespan. 
C) They vary in appearance due to adaptations to different environments. 
D) They vary in appearance due to human interference. 
A) They look identical. 
B) They do not have a normal lifespan. 
C) They vary in appearance due to adaptations to different environments. 
D) They vary in appearance due to human interference.

Question 4

Match the appropriate definitions below to the following scientific terms.
-speciation between subgroups of a single population

Accepted Answer

A) allopolyploidy 
B) allopatric speciation 
C) autopolyploidy 
D) behavioral isolation 
E) biological species concept
F)hybrid breakdown
G)mechanical isolation
H)morphological species concept
I)parapatric speciation
J)polyploidy
K)subspecies
L)sympatric speciation
M)temporal isolation 
A) allopolyploidy 
B) allopatric speciation 
C) autopolyploidy 
D) behavioral isolation 
E) biological species concept
F)hybrid breakdown
G)mechanical isolation
H)morphological species concept
I)parapatric speciation
J)polyploidy
K)subspecies
L)sympatric speciation
M)temporal isolation

Question 5

What did hybridization and polyploidy lead to?

Accepted Answer

A) the evolution of mallard ducks 
B) the evolution of common bread wheat 
C) the evolution of apple maggots 
D) the evolution of bent grass 
A) the evolution of mallard ducks 
B) the evolution of common bread wheat 
C) the evolution of apple maggots 
D) the evolution of bent grass

Question 6

Labelling
Assign the following terms appropriately to the accompanying table by labelling with the appropriate letter.  
-hybrid breakdown

Accepted Answer

The answer of Labelling
Assign the following terms appropriately to the...

Question 7

Two species of flowering plants live together and flower at the same time. They do not hybridize because they each have a unique pollinating insect. What is this an example of?

Accepted Answer

A) a sympatric speciation 
B) a hybrid zone 
C) a postzygotic barrier 
D) a prezygotic barrier 
A) a sympatric speciation 
B) a hybrid zone 
C) a postzygotic barrier 
D) a prezygotic barrier

Question 8

Match the appropriate definitions below to the following scientific terms.
-reproductive isolation due to a physical reason why the two organisms cannot mate

Accepted Answer

A) allopolyploidy 
B) allopatric speciation 
C) autopolyploidy 
D) behavioral isolation 
E) biological species concept
F)hybrid breakdown
G)mechanical isolation
H)morphological species concept
I)parapatric speciation
J)polyploidy
K)subspecies
L)sympatric speciation
M)temporal isolation 
A) allopolyploidy 
B) allopatric speciation 
C) autopolyploidy 
D) behavioral isolation 
E) biological species concept
F)hybrid breakdown
G)mechanical isolation
H)morphological species concept
I)parapatric speciation
J)polyploidy
K)subspecies
L)sympatric speciation
M)temporal isolation

Question 9

What are polyploid individuals that arise from chromosome duplications within a single species called?

Accepted Answer

A) allopolyploids 
B) tetraploids 
C) triploids 
D) autopolyploids 
A) allopolyploids 
B) tetraploids 
C) triploids 
D) autopolyploids

Question 10

What type of isolation is it if two species of lizards do not mate because their mating rituals differ greatly?

Accepted Answer

A) behavioral isolation 
B) ecological isolation 
C) gametic isolation 
D) mechanical isolation 
A) behavioral isolation 
B) ecological isolation 
C) gametic isolation 
D) mechanical isolation

Exam 19: Species and Macroevolution

A sterile hybrid plant can form a fertile new species if its chromosomes are doubled. What is this referred to as?

How did researchers establish the connection between chimpanzees and humans?

What may be a feature of the organisms in a clinal variation?

Match the appropriate definitions below to the following scientific terms. -speciation between subgroups of a single population

What did hybridization and polyploidy lead to?

Labelling Assign the following terms appropriately to the accompanying table by labelling with the appropriate letter. -hybrid breakdown

Two species of flowering plants live together and flower at the same time. They do not hybridize because they each have a unique pollinating insect. What is this an example of?

Match the appropriate definitions below to the following scientific terms. -reproductive isolation due to a physical reason why the two organisms cannot mate

What are polyploid individuals that arise from chromosome duplications within a single species called?

What type of isolation is it if two species of lizards do not mate because their mating rituals differ greatly?

Light and Life

The Cell: an Overview

Defining Life and Its Origins

Energy and Enzymes

Cell Membranes and Signalling

Cellular Respiration

Photosynthesis

Cell Cycles

Genetic Recombination

Mendel, Genes, and Inheritance

Genes, Chromosomes, and Human Genetics

Dna Structure, Replication, and Organization

Gene Structure and Expression

Control of Gene Expression

Dna Technologies

Genomes and Proteomes

Evolution: the Development of the Theory

Microevolution: Changes Within Populations

Understanding the History of Life on Earth

Humans and Evolution

Bacteria and Archaea

Viruses, Viroids, and Prions: Infectious Biological Particles

Protists

Fungi

Plants

Diversity of Animals 1: Sponges, Radiata, Platyhelminthes, and Protostomes

Diversity of Animals 2: Deuterostomes: Vertebrates and Their Closest Relatives

Population Ecology

Population Interactions and Community Ecology

Ecosystems

Conservation of Biodiversity

Putting Selection to Work

Organization of the Plant Body

Transport in Plants

Reproduction and Development in Flowering Plants

Plant Nutrition

Plant Signals and Responses to the Environment

Introduction to Animal Organization and Physiology

Transport in Animals: the Circulatory System

Reproduction in Animals

Animal Development

Control of Animal Processes: Neural Control

Control of Animal Processes: Neural Control

Control of Animal Processes: Neural Integration

Muscles, Skeletons, and Body Movements

Animal Behaviour

Animal Nutrition

Gas Exchange: the Respiratory System

Regulating the Internal Environment

Defences Against Disease

Conservation and Evolutionary Physiology

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