POB EXAM 3 - SHADWICK UARK CHAPTER 27
Which of the following do scientists believe will be the greatest threat to human health?
- Answers :Superbugs with antibiotic resistance
A process called _____ proposes that species adapt and change due to the
environment - Answers :Evolution
Visible characteristics, or phenotypes, acquired during an organism's lifetime do not
result in _____ changes that are heritable - Answers :Genetic
The idea that the environment acts on the phenotype was proposed by? - Answers
:Jean-Baptiste de Lamarck
Darwin's idea about evolution and adaptation is referred to as natural - Answers
:Selection
Resistant bacterial strains have evolved as a result of use and over use of - Answers
:Antibiotics
That species adapt and change in response to their environment is referred to as -
Answers :Evolution
The ______ is an organism's visible characteristics - Answers :Phenotype
The environment acts on the - Answers :Phenotype
Darwin called the process of adaptations to the environment - Answers :Evolution by
natural selection
Select the important ideas that were formulated by Darwin that supported his idea of
evolution by natural selection. (Select all that apply) - Answers :- Organisms adapt over
time to changing environmental conditions
- Individuals within a population differ in their reproductive success
- Individuals within a species exhibit heritable variations
- Organisms compete for available resources
An evolved trait that helps an organism be more suited to its environment is called a(n) -
Answers :Adaptation
Biological evolution involves the differential reproductive success in living organisms
over ________ ________ - Answers :Geological Time
The remains or traces of past life forms or other direct evidence of past life are called -
Answers :Fossils
,That organisms within a species have variations, compete for resources, have different
reproduction success, and adapt over time are all components of Darwin's idea of
______ selection - Answers :Natural
The relative age of a(n) ____ can be determined by examining the rock ____ that it is
found in - Answers :Fossil Layer
An adaptation is an evolved trait that helps an organism be more suited to its - Answers
:Environment
_______ evolution is the changes in living organisms over geological time - Answers
:Biological
Any past evidence of an organism that has been preserved in the Earth's crust is called
a(n) - Answers :Fossil
If no geological activity has disturbed the sediments of a geological layer, the upper
most sediments are - Answers :Younger than the layers below
Paleontologists study the ____ record to learn about the history of life - Answers :Fossil
Archaeopteryx is considered to be one of the best examples of a(n) ____ fossil, the type
of fossil that serves to link groups of organisms via the fossil record - Answers
:Transitional
Rank the following in order of their appearance in the history of life. Place the group that
evolved first at the top - Answers :1. Fishes
2. Amphibians
3. Reptiles
4. Mammals
The study of fossils is called - Answers :Paleontology
As a result of studying rock strata, scientists have divided the Earth's history into broad
groups called ____, which are divided into ____ and these have been divided into ____
- Answers :Era, Periods, Epochs
A fossil of a common ancestor for two groups of organisms that demonstrates the
relationship between the two groups is called a(n) ____ link or fossil - Answers
:Transitional
The type of fossil dating method that relies on radioactive isotypes is the - Answers
:Absolute dating method
Which of the following evolved after reptiles in the history of life? - Answers :Mammals
, Of the three categories given below, which has the broadest time range? - Answers
:Eras
The method of aging fossils that examines the order of fossils and strata depending on
the layer of rock in which they were discovered is called ____ dating - Answers :relative
The study of the range and distribution of animals on Earth is called - Answers
:Biogeography
The positions of the continents have never been permanently fixed on the Earth, this is
referred to as the process of continental - Answers :Drift
Extinction is the death of every member of a(n) - Answers :Species or Population
The study of the range and distribution of organisms is called - Answers :Biogeography
Continental drift refers to - Answers :Continents not being fixed in position over time
Structures on different species that share a common design because they were
inherited from a common ancestor are called - Answers :Homologous
The death of every member of a species is called - Answers :Extinction
Structures that are present in one group of organisms but reduced or without function in
a related group are called - Answers :Vestigial
Structures that are anatomically similar because they were inherited from a common
ancestor are referred to as being ______ - Answers :Homologous
Which of the following are biochemicals that function similarly in all living organisms? -
Answers :- ATP
- DNA
- Enzymes
Artificial selection, as opposed to natural selection is controlled by - Answers :Humans
Anatomical features that are fully developed in one group of organisms but that are
reduced and may have no function in similar groups are called ____ structures -
Answers :Vestigial
A change in gene frequency within a population over time is called - Answers :Evolution
DNA, ATP, and enzymes are biochemicals that are common to all ____ things -
Answers :Living
Which of the following do scientists believe will be the greatest threat to human health?
- Answers :Superbugs with antibiotic resistance
A process called _____ proposes that species adapt and change due to the
environment - Answers :Evolution
Visible characteristics, or phenotypes, acquired during an organism's lifetime do not
result in _____ changes that are heritable - Answers :Genetic
The idea that the environment acts on the phenotype was proposed by? - Answers
:Jean-Baptiste de Lamarck
Darwin's idea about evolution and adaptation is referred to as natural - Answers
:Selection
Resistant bacterial strains have evolved as a result of use and over use of - Answers
:Antibiotics
That species adapt and change in response to their environment is referred to as -
Answers :Evolution
The ______ is an organism's visible characteristics - Answers :Phenotype
The environment acts on the - Answers :Phenotype
Darwin called the process of adaptations to the environment - Answers :Evolution by
natural selection
Select the important ideas that were formulated by Darwin that supported his idea of
evolution by natural selection. (Select all that apply) - Answers :- Organisms adapt over
time to changing environmental conditions
- Individuals within a population differ in their reproductive success
- Individuals within a species exhibit heritable variations
- Organisms compete for available resources
An evolved trait that helps an organism be more suited to its environment is called a(n) -
Answers :Adaptation
Biological evolution involves the differential reproductive success in living organisms
over ________ ________ - Answers :Geological Time
The remains or traces of past life forms or other direct evidence of past life are called -
Answers :Fossils
,That organisms within a species have variations, compete for resources, have different
reproduction success, and adapt over time are all components of Darwin's idea of
______ selection - Answers :Natural
The relative age of a(n) ____ can be determined by examining the rock ____ that it is
found in - Answers :Fossil Layer
An adaptation is an evolved trait that helps an organism be more suited to its - Answers
:Environment
_______ evolution is the changes in living organisms over geological time - Answers
:Biological
Any past evidence of an organism that has been preserved in the Earth's crust is called
a(n) - Answers :Fossil
If no geological activity has disturbed the sediments of a geological layer, the upper
most sediments are - Answers :Younger than the layers below
Paleontologists study the ____ record to learn about the history of life - Answers :Fossil
Archaeopteryx is considered to be one of the best examples of a(n) ____ fossil, the type
of fossil that serves to link groups of organisms via the fossil record - Answers
:Transitional
Rank the following in order of their appearance in the history of life. Place the group that
evolved first at the top - Answers :1. Fishes
2. Amphibians
3. Reptiles
4. Mammals
The study of fossils is called - Answers :Paleontology
As a result of studying rock strata, scientists have divided the Earth's history into broad
groups called ____, which are divided into ____ and these have been divided into ____
- Answers :Era, Periods, Epochs
A fossil of a common ancestor for two groups of organisms that demonstrates the
relationship between the two groups is called a(n) ____ link or fossil - Answers
:Transitional
The type of fossil dating method that relies on radioactive isotypes is the - Answers
:Absolute dating method
Which of the following evolved after reptiles in the history of life? - Answers :Mammals
, Of the three categories given below, which has the broadest time range? - Answers
:Eras
The method of aging fossils that examines the order of fossils and strata depending on
the layer of rock in which they were discovered is called ____ dating - Answers :relative
The study of the range and distribution of animals on Earth is called - Answers
:Biogeography
The positions of the continents have never been permanently fixed on the Earth, this is
referred to as the process of continental - Answers :Drift
Extinction is the death of every member of a(n) - Answers :Species or Population
The study of the range and distribution of organisms is called - Answers :Biogeography
Continental drift refers to - Answers :Continents not being fixed in position over time
Structures on different species that share a common design because they were
inherited from a common ancestor are called - Answers :Homologous
The death of every member of a species is called - Answers :Extinction
Structures that are present in one group of organisms but reduced or without function in
a related group are called - Answers :Vestigial
Structures that are anatomically similar because they were inherited from a common
ancestor are referred to as being ______ - Answers :Homologous
Which of the following are biochemicals that function similarly in all living organisms? -
Answers :- ATP
- DNA
- Enzymes
Artificial selection, as opposed to natural selection is controlled by - Answers :Humans
Anatomical features that are fully developed in one group of organisms but that are
reduced and may have no function in similar groups are called ____ structures -
Answers :Vestigial
A change in gene frequency within a population over time is called - Answers :Evolution
DNA, ATP, and enzymes are biochemicals that are common to all ____ things -
Answers :Living
