Question 1

Give an example of behavioral isolation.

Accepted Answer

Behavioral isolation is a type of prezyg

Question 2

Whales are descendents of:

Accepted Answer

A) sharks 
B) a relative of the rhinoceros 
C) a relative of the duckbilled platypus 
D) a relative of a hippopotamus 
E) manatees 
A) sharks 
B) a relative of the rhinoceros 
C) a relative of the duckbilled platypus 
D) a relative of a hippopotamus 
E) manatees

Question 3

The molecular evidence of how the cytochrome c gene changes with time suggests that this gene evolves:

Accepted Answer

A) at a constant rate 
B) in spurts 
C) hardly at all 
D) more rapidly than any other gene 
A) at a constant rate 
B) in spurts 
C) hardly at all 
D) more rapidly than any other gene

Question 4

Features that are similar in organisms that are not evolutionarily related are due to:

Accepted Answer

A) similar selective pressures 
B) differing selective pressures 
C) chance alone 
D) directional mutation 
A) similar selective pressures 
B) differing selective pressures 
C) chance alone 
D) directional mutation

Question 5

Biochemical changes that occur in organisms through time can help us:

Accepted Answer

A) infer relatedness 
B) construct molecular family trees 
C) understand how groups of organisms changed through time 
D) All of these 
A) infer relatedness 
B) construct molecular family trees 
C) understand how groups of organisms changed through time 
D) All of these

Question 6

The final stimulus that convinced Darwin to publish his findings came from _____________,who had come to the same conclusion as Darwin from his own travels.

Accepted Answer

A) Thomas Malthus 
B) Alfred Russell Wallace 
C) John Henslow 
D) Charles Lyell 
A) Thomas Malthus 
B) Alfred Russell Wallace 
C) John Henslow 
D) Charles Lyell

Question 7

Darwin's main tenet of natural selection was:

Accepted Answer

A) that only the oldest live to reproduce 
B) every organism has the potential to produce more offspring than can survive 
C) only those that are most suited to the conditions at the time survive to reproduce 
D) Both A and B are correct. 
E) Both B and C are correct. 
A) that only the oldest live to reproduce 
B) every organism has the potential to produce more offspring than can survive 
C) only those that are most suited to the conditions at the time survive to reproduce 
D) Both A and B are correct. 
E) Both B and C are correct.

Question 8

In human infants,there has long been evolution toward having the highest survival rate at a 6-7 pound birth weight.This is an example of:

Accepted Answer

A) directional selection 
B) disruptive selection 
C) stabilizing or balancing selection 
D) random chance 
A) directional selection 
B) disruptive selection 
C) stabilizing or balancing selection 
D) random chance

Question 9

The human appendix is an example of a __________ organ,reflecting our evolutionary past.

Accepted Answer

The answer of The human appendix is an example of...

Question 10

If two species of plants bloom during different seasons in the same habitat,this is known as:

Accepted Answer

A) mechanical isolation 
B) temporal isolation 
C) ecological isolation 
D) geographical isolation 
E) behavioral isolation 
A) mechanical isolation 
B) temporal isolation 
C) ecological isolation 
D) geographical isolation 
E) behavioral isolation

Question 11

Bees may pick up pollen of one species on a certain place on their bodies;if this area does not come into contact with the receptive structures of the flowers of another plant species,the pollen is not transferred.This is an example of:

Accepted Answer

A) temporal isolation 
B) mechanical isolation 
C) ecological isolation 
D) geographical isolation 
A) temporal isolation 
B) mechanical isolation 
C) ecological isolation 
D) geographical isolation

Question 12

In small populations,gene frequencies can change drastically by chance alone.This phenomenon is called:

Accepted Answer

A) migration 
B) density-independent effects 
C) density-dependent effects 
D) genetic drift 
A) migration 
B) density-independent effects 
C) density-dependent effects 
D) genetic drift

Question 13

The differences produced between breeds produced by artificial selection are more distinctive than differences between wild species.

Accepted Answer

A) True 
 B)False

Question 14

A population of frogs developing a slight difference in their mating calls is an example of:

Accepted Answer

A) macroevolutionary change 
B) microevolutionary change 
C) Hardy-Weinberg equilibrium 
D) artificial selection 
A) macroevolutionary change 
B) microevolutionary change 
C) Hardy-Weinberg equilibrium 
D) artificial selection

Question 15

The fossil record indicates that whales evolved from:

Accepted Answer

A) hoofed mammals 
B) fish 
C) sharks 
D) dinosaurs 
A) hoofed mammals 
B) fish 
C) sharks 
D) dinosaurs

Question 16

In pools below waterfalls,where predation is _____,male guppies are _____,whereas in pools above waterfalls where predation is ______,male guppies are ______.

Accepted Answer

A) low,more colorful,high,drab colored 
B) low,drab colored,high,more colorful 
C) high,drab colored,low,more colorful 
D) high,more colorful,low,drab colored 
A) low,more colorful,high,drab colored 
B) low,drab colored,high,more colorful 
C) high,drab colored,low,more colorful 
D) high,more colorful,low,drab colored

Question 17

________________ results from microevolutionary changes that increase the likelihood of survival and reproduction.

Accepted Answer

A) Adaptation 
B) Macroevolutionary change 
C) Inheritance of acquired traits 
D) Selection 
A) Adaptation 
B) Macroevolutionary change 
C) Inheritance of acquired traits 
D) Selection

Question 18

__________________ isolating mechanisms include improper development of hybrids and failure of hybrids to become established in nature.

Accepted Answer

The answer of __________________ isolating mechanisms include improper development of...

Question 19

The bones of vertebrate forelimbs are similar because of descent from a common ancestor.These forelimbs can be called __________________ structures.

Accepted Answer

The answer of The bones of vertebrate forelimbs are similar...

Question 20

All of the following are examples of vestigial structures except:

Accepted Answer

A) human gall bladder 
B) pelvis in a whale 
C) appendix in humans 
D) All of these are vestigial. 
A) human gall bladder 
B) pelvis in a whale 
C) appendix in humans 
D) All of these are vestigial.

Exam 14: Evolution and Natural Selection

Give an example of behavioral isolation.

Whales are descendents of:

The molecular evidence of how the cytochrome c gene changes with time suggests that this gene evolves:

Features that are similar in organisms that are not evolutionarily related are due to:

Biochemical changes that occur in organisms through time can help us:

The final stimulus that convinced Darwin to publish his findings came from _____________,who had come to the same conclusion as Darwin from his own travels.

Darwin's main tenet of natural selection was:

In human infants,there has long been evolution toward having the highest survival rate at a 6-7 pound birth weight.This is an example of:

The human appendix is an example of a __________ organ,reflecting our evolutionary past.

If two species of plants bloom during different seasons in the same habitat,this is known as:

Bees may pick up pollen of one species on a certain place on their bodies;if this area does not come into contact with the receptive structures of the flowers of another plant species,the pollen is not transferred.This is an example of:

In small populations,gene frequencies can change drastically by chance alone.This phenomenon is called:

The differences produced between breeds produced by artificial selection are more distinctive than differences between wild species.

A population of frogs developing a slight difference in their mating calls is an example of:

The fossil record indicates that whales evolved from:

In pools below waterfalls,where predation is _____,male guppies are _____,whereas in pools above waterfalls where predation is ______,male guppies are ______.

________________ results from microevolutionary changes that increase the likelihood of survival and reproduction.

__________________ isolating mechanisms include improper development of hybrids and failure of hybrids to become established in nature.

The bones of vertebrate forelimbs are similar because of descent from a common ancestor.These forelimbs can be called __________________ structures.

All of the following are examples of vestigial structures except:

The Science of Biology

The Chemistry of Life

Molecules of Life

Cells

Energy and Life

Photosynthesis: Acquiring Energy From the Sun

How Cells Harvest Energy From Food

Mitosis

Meiosis

Foundations of Genetics

DNA: the Genetic Material

How Genes Work

Genomics and Biotechnology

How We Name Living Things

Prokaryotes: the First Single-Celled Creatures

Protists: Advent of the Eukaryotes

Fungi Invade the Land

Evolution of the Animal Phyla

History of the Vertebrates

How Humans Evolved

The Animal Body and How It Moves

Circulation

Respiration

The Path of Food Through the Animal Body

Maintaining the Internal Environment

How the Animal Body Defends Itself

The Nervous System

The Senses

Chemical Signaling Within the Animal Body

Reproduction and Development

Evolution of Plants

Plant Form and Function

Plant Reproduction and Growth

Populations and Communities

Ecosystems

Behavior and the Environment

Human Influences on the Living World

Filters

In pools below waterfalls,where predation is ___,male guppies are _,whereas in pools above waterfalls where predation is ,male guppies are __.