Question 1

In the section "Investigating Life: Birds Do It,Bees Do It",when the researchers crossed M.lewisii and M.cardinalis,the hybrids had which genotype?

Accepted Answer

A) YUP/yup 
B) yup/yup 
C) YUP/YUP 
D) YUP 
E) yup 
A) YUP/yup 
B) yup/yup 
C) YUP/YUP 
D) YUP 
E) yup

Question 2

Species such as mice have a better chance of surviving sudden environmental change than elephants because

Accepted Answer

A) elephants reproduce much more slowly than mice. 
B) elephants require larger habitats than mice. 
C) elephants eat more than mice. 
D) elephants live longer than mice. 
E) elephants have a more selective diet than micE. 
A) elephants reproduce much more slowly than mice. 
B) elephants require larger habitats than mice. 
C) elephants eat more than mice. 
D) elephants live longer than mice. 
E) elephants have a more selective diet than micE.

Question 3

Phylogenetics

Accepted Answer

A) is the study of evolutionary relationships among species. 
B) is the science of describing,naming,and classifying species. 
C) are inherited attributes. 
D) are features only found in living species. 
E) are species unrelated and used for comparison. 
A) is the study of evolutionary relationships among species. 
B) is the science of describing,naming,and classifying species. 
C) are inherited attributes. 
D) are features only found in living species. 
E) are species unrelated and used for comparison.

Question 4

The process by which species cease to exist

Accepted Answer

A) has never occurred. 
B) is speciation. 
C) is extinction. 
D) is occurring today at a faster rate than ever before. 
E) All answers are correct. 
A) has never occurred. 
B) is speciation. 
C) is extinction. 
D) is occurring today at a faster rate than ever before. 
E) All answers are correct.

Question 5

In the section "Investigating Life: Birds Do It,Bees Do It",M.lewisii and M.cardinalis are different species for which reason?

Accepted Answer

A) If they breed they do not form viable offspring. 
B) If they breed they do not form fertile offspring. 
C) They live on different continents. 
D) They do not breed in the wilD. 
E) They do not look alikE. 
A) If they breed they do not form viable offspring. 
B) If they breed they do not form fertile offspring. 
C) They live on different continents. 
D) They do not breed in the wilD. 
E) They do not look alikE.

Question 6

The scientific name of humans is Homo sapiens.What is the genus of humans?

Accepted Answer

A) Homo 
B) sapiens 
C) Homo sapiens 
D) Animalia 
E) Eukarya 
A) Homo 
B) sapiens 
C) Homo sapiens 
D) Animalia 
E) Eukarya

Question 7

An example of polyploidy is found in a plant

Accepted Answer

A) having an abnormal number of two or more individual chromosomes. 
B) having only one set of chromosomes. 
C) having three or more chromosomes. 
D) having an abnormal number of one particular chromosome. 
E) having three or more sets of chromosomes. 
A) having an abnormal number of two or more individual chromosomes. 
B) having only one set of chromosomes. 
C) having three or more chromosomes. 
D) having an abnormal number of one particular chromosome. 
E) having three or more sets of chromosomes.

Question 8

The type of reproductive isolation in which two populations are separated due to the sperm cells of one not being able to recognize the egg cells of the other is

Accepted Answer

A) hybrid inviability. 
B) gametic isolation. 
C) temporal isolation. 
D) hybrid infertility. 
E) ecological isolation. 
A) hybrid inviability. 
B) gametic isolation. 
C) temporal isolation. 
D) hybrid infertility. 
E) ecological isolation.

Question 9

If a sheep and goat are mated,their offspring dies as an embryo.This is an example of ____ reproductive isolation.

Accepted Answer

A) prezygotic 
B) allopatric 
C) sympatric 
D) postzygotic 
E) outgroup 
A) prezygotic 
B) allopatric 
C) sympatric 
D) postzygotic 
E) outgroup

Question 10

In the section "Investigating Life: Birds Do It,Bees Do It",what can be concluded about the flower preferences of hummingbirds?

Accepted Answer

A) They prefer pink flowers. 
B) They prefer M.cardinalis in both the natural and selected colors tested. 
C) They prefer yellow-orange flowers. 
D) They prefer red flowers. 
E) They prefer M.lewisii in both the natural and selected colors tested. 
A) They prefer pink flowers. 
B) They prefer M.cardinalis in both the natural and selected colors tested. 
C) They prefer yellow-orange flowers. 
D) They prefer red flowers. 
E) They prefer M.lewisii in both the natural and selected colors tested.

Question 11

A horizontal branch in an evolutionary tree indicates

Accepted Answer

A) gradualism. 
B) punctuated equilibrium. 
C) extinction. 
D) convergent evolution. 
E) temporal isolation. 
A) gradualism. 
B) punctuated equilibrium. 
C) extinction. 
D) convergent evolution. 
E) temporal isolation.

Question 12

The types of living organisms on Earth have changed over time - new species have originated and existing species have disappeared.This is an example of

Accepted Answer

A) speciation. 
B) extinction. 
C) macroevolution. 
D) alternation of generations. 
E) hybridization. 
A) speciation. 
B) extinction. 
C) macroevolution. 
D) alternation of generations. 
E) hybridization.

Question 13

Conservation biologists are often concerned that when the population size of an endangered species becomes too small it is at risk of extinction for which reason?

Accepted Answer

A) They can no longer evolve. 
B) Their rate of breeding will decline. 
C) They may be more susceptible to changes in the environment or disease. 
D) They are at risk of sympatric isolation. 
E) They are at risk of developing prezygotic barriers to reproduction. 
A) They can no longer evolve. 
B) Their rate of breeding will decline. 
C) They may be more susceptible to changes in the environment or disease. 
D) They are at risk of sympatric isolation. 
E) They are at risk of developing prezygotic barriers to reproduction.

Question 14

It is believed that the two main reasons for mass extinctions in Earth's history have been

Accepted Answer

A) collision between Earth and a large celestial body and human intervention. 
B) global warming and human intervention. 
C) human intervention and shifting of Earth's continents. 
D) global warming and shifting of Earth's continents. 
E) collision between Earth and a large celestial body and shifting of Earth's continents. 
A) collision between Earth and a large celestial body and human intervention. 
B) global warming and human intervention. 
C) human intervention and shifting of Earth's continents. 
D) global warming and shifting of Earth's continents. 
E) collision between Earth and a large celestial body and shifting of Earth's continents.

Question 15

Evolution of a new species occurs

Accepted Answer

A) in sexually-reproducing organisms. 
B) in asexually-reproducing organisms. 
C) typically over long periods of time. 
D) All answers are correct. 
E) allopatrically and sympatrically. 
A) in sexually-reproducing organisms. 
B) in asexually-reproducing organisms. 
C) typically over long periods of time. 
D) All answers are correct. 
E) allopatrically and sympatrically.

Question 16

Which of the following is NOT an example of macroevolution?

Accepted Answer

A) One species of birds evolves feathers. 
B) One species of birds evolves into many species of birds. 
C) One species of dinosaurs evolves into the first mammal. 
D) One species of mammals evolves into a new species of mammal. 
E) All answers are correct. 
A) One species of birds evolves feathers. 
B) One species of birds evolves into many species of birds. 
C) One species of dinosaurs evolves into the first mammal. 
D) One species of mammals evolves into a new species of mammal. 
E) All answers are correct.

Question 17

Birds use specific songs,coloring,and mating dances to attract mates of their species.This is an example of ____ reproductive isolation.

Accepted Answer

A) postzygotic 
B) allopatric 
C) prezygotic 
D) sympatric 
E) outgroup 
A) postzygotic 
B) allopatric 
C) prezygotic 
D) sympatric 
E) outgroup

Question 18

The type of reproductive isolation in which offspring are infertile because their chromosomes cannot align correctly during meiosis because of a different number of chromosomes being inherited from the two parents is

Accepted Answer

A) gametic isolation. 
B) mechanical isolation. 
C) hybrid infertility. 
D) hybrid inviability. 
E) temporal isolation. 
A) gametic isolation. 
B) mechanical isolation. 
C) hybrid infertility. 
D) hybrid inviability. 
E) temporal isolation.

Question 19

The observation that although fresh water habitats account for only 1% of the Earth's water,they are home to 36% of the known species of fish is due to ____ speciation.

Accepted Answer

A) prezygotic 
B) postzygotic 
C) allopatric 
D) sympatric 
E) outgroup 
A) prezygotic 
B) postzygotic 
C) allopatric 
D) sympatric 
E) outgroup

Question 20

In the section "Investigating Life: Birds Do It,Bees Do It",the experiment supports that a change in just one gene locus may have jump-started speciation in Mimulus.This is an example of

Accepted Answer

A) pre-zygotic barriers to reproduction. 
B) post-zygotic barriers to reproduction. 
C) gradualism. 
D) punctuated equilibrium. 
E) asexual reproduction. 
A) pre-zygotic barriers to reproduction. 
B) post-zygotic barriers to reproduction. 
C) gradualism. 
D) punctuated equilibrium. 
E) asexual reproduction.

Exam 14: Speciation and Extinction

In the section "Investigating Life: Birds Do It,Bees Do It",when the researchers crossed M.lewisii and M.cardinalis,the hybrids had which genotype?

Species such as mice have a better chance of surviving sudden environmental change than elephants because

Phylogenetics

The process by which species cease to exist

In the section "Investigating Life: Birds Do It,Bees Do It",M.lewisii and M.cardinalis are different species for which reason?

The scientific name of humans is Homo sapiens.What is the genus of humans?

An example of polyploidy is found in a plant

The type of reproductive isolation in which two populations are separated due to the sperm cells of one not being able to recognize the egg cells of the other is

If a sheep and goat are mated,their offspring dies as an embryo.This is an example of ____ reproductive isolation.

In the section "Investigating Life: Birds Do It,Bees Do It",what can be concluded about the flower preferences of hummingbirds?

A horizontal branch in an evolutionary tree indicates

The types of living organisms on Earth have changed over time - new species have originated and existing species have disappeared.This is an example of

Conservation biologists are often concerned that when the population size of an endangered species becomes too small it is at risk of extinction for which reason?

It is believed that the two main reasons for mass extinctions in Earth's history have been

Evolution of a new species occurs

Which of the following is NOT an example of macroevolution?

Birds use specific songs,coloring,and mating dances to attract mates of their species.This is an example of ____ reproductive isolation.

The type of reproductive isolation in which offspring are infertile because their chromosomes cannot align correctly during meiosis because of a different number of chromosomes being inherited from the two parents is

The observation that although fresh water habitats account for only 1% of the Earth's water,they are home to 36% of the known species of fish is due to ____ speciation.

In the section "Investigating Life: Birds Do It,Bees Do It",the experiment supports that a change in just one gene locus may have jump-started speciation in Mimulus.This is an example of

Scientific Study of Life

The Chemistry of Life

Cells

The Energy of Life

Photosynthesis

How Cells Release Energy

DNA Structure and Gene Function

DNA Replication and Cell Division

Sexual Reproduction and Meiosis

Patterns of Inheritance

DNA Technology

Forces of Evolutionary Change

Evidence of Evolution

Evolution and Diversity of Microbial Life

Evolution and Diversity of Plants

Evolution and Diversity of Animals

Population Ecology

Communities and Ecosystems

Preserving Biodiversity

Plant Form and Function

Reproduction and Development of Flowering Plants

Animal Tissues and Organ Systems

Nervous System and the Senses

The Endocrine System

The Skeletal and Muscular Systems

The Circulatory and Respiratory Systems

Regulating Temperature, nutrients, and Body Fluids

The Immune System

Animal Reproduction and Development

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