Question 1

The scientist given credit for devising the two-word naming system of all living organisms is

Accepted Answer

A) Aristotle. 
B) Charles Darwin. 
C) Gregor Mendel. 
D) Carolus Linnaeus. 
E) Louis Pasteur. 
A) Aristotle. 
B) Charles Darwin. 
C) Gregor Mendel. 
D) Carolus Linnaeus. 
E) Louis Pasteur.

Question 2

Birds are least related to

Accepted Answer

A) nonavian dinosaurs. 
B) crocodiles. 
C) turtles. 
D) mammals. 
E) amphibians. 
A) nonavian dinosaurs. 
B) crocodiles. 
C) turtles. 
D) mammals. 
E) amphibians.

Question 3

An evolutionary tree depicts species' relationships based on descent from shared ancestors.

Accepted Answer

A) True 
 B)False

Question 4

A biological species is defined as a population whose members can interbreed,although the offspring may be infertile.

Accepted Answer

A) True 
 B)False

Question 5

The idea that evolution proceeds in small,incremental changes over many generations is

Accepted Answer

A) temporal isolation. 
B) gradualism. 
C) punctuated equilibrium. 
D) hybrid breakdown. 
E) mechanical isolation. 
A) temporal isolation. 
B) gradualism. 
C) punctuated equilibrium. 
D) hybrid breakdown. 
E) mechanical isolation.

Question 6

Humans are placed into what kingdom and domain?

Accepted Answer

A) Animalia,Archaea 
B) Chordata,Archaea 
C) Archaea,Eukarya 
D) Animalia,Eukarya 
E) Archaea,Animalia 
A) Animalia,Archaea 
B) Chordata,Archaea 
C) Archaea,Eukarya 
D) Animalia,Eukarya 
E) Archaea,Animalia

Question 7

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 8

The more heritable traits organisms share,the more taxonomic levels they share.

Accepted Answer

A) True 
 B)False

Question 9

You are studying two populations of dung beetles,one of which rolls their dung balls at noon,resting at night,and the other of which reverses this.These could speciate due to

Accepted Answer

A) behavioral isolation. 
B) gametic isolation. 
C) mechanical isolation. 
D) temporal isolation. 
E) sexual selection. 
A) behavioral isolation. 
B) gametic isolation. 
C) mechanical isolation. 
D) temporal isolation. 
E) sexual selection.

Question 10

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 11

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

Accepted Answer

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

Question 12

If you saw two populations of a species of snail,separated by a water-filled valley that they could not cross,you might eventually expect to see speciation due to

Accepted Answer

A) mechanical isolation. 
B) habitat isolation. 
C) hybrid inviability. 
D) behavioral isolation. 
E) temporal isolation. 
A) mechanical isolation. 
B) habitat isolation. 
C) hybrid inviability. 
D) behavioral isolation. 
E) temporal isolation.

Question 13

What is the least inclusive level of the hierarchical classification scheme?

Accepted Answer

A) domain 
B) phylum 
C) kingdom 
D) genus 
E) species 
A) domain 
B) phylum 
C) kingdom 
D) genus 
E) species

Exam 14: Speciation and Extinction

The scientist given credit for devising the two-word naming system of all living organisms is

Birds are least related to

An evolutionary tree depicts species' relationships based on descent from shared ancestors.

A biological species is defined as a population whose members can interbreed,although the offspring may be infertile.

The idea that evolution proceeds in small,incremental changes over many generations is

Humans are placed into what kingdom and domain?

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

The more heritable traits organisms share,the more taxonomic levels they share.

You are studying two populations of dung beetles,one of which rolls their dung balls at noon,resting at night,and the other of which reverses this.These could speciate due to

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.

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

If you saw two populations of a species of snail,separated by a water-filled valley that they could not cross,you might eventually expect to see speciation due to

What is the least inclusive level of the hierarchical classification scheme?

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, binary Fission, and Mitosis

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

Populations

Communities and Ecosystems

Preserving Biodiversity

Plant Form and Function

Reproduction and Development of Flowering Plants

Animal Tissues and Organ Systems

The Nervous System and the Senses

The Endocrine System

The Skeletal and Muscular Systems

The Circulatory and Respiratorysystems

The Digestive and Urinary Systems

The Immune System

Animal Reproduction and Development

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