Question 1

After the theory of natural selection was proposed, how many years did it take for the work in genetics to provide supporting insights? ​

Accepted Answer

A) 20 
B) 50 
C) 70 
D) 90 
E) 100 
A) 20 
B) 50 
C) 70 
D) 90 
E) 100

Question 2

The disappearance of dinosaurs about 65 million years ago is an example of ____. ​

Accepted Answer

A) adaptive radiation 
B) natural selection 
C) genetic drift 
D) mass extinction 
E) minor extinction 
A) adaptive radiation 
B) natural selection 
C) genetic drift 
D) mass extinction 
E) minor extinction

Question 3

In the theory of evolution, which of the following evolves? ​

Accepted Answer

A) phyla 
B) classes 
C) populations 
D) individuals 
E) kingdoms 
A) phyla 
B) classes 
C) populations 
D) individuals 
E) kingdoms

Question 4

In which order do humans belong? ​

Accepted Answer

A) Eukarya 
B) Animalia 
C) Mammalia 
D) Primates 
E) Homininae 
A) Eukarya 
B) Animalia 
C) Mammalia 
D) Primates 
E) Homininae

Question 5

Early in Earth's history, there was a massive "supercontinent" known as ____. ​

Accepted Answer

A) Gondwana 
B) Pangea 
C) Botswana 
D) Pellagra 
E) Panagra 
A) Gondwana 
B) Pangea 
C) Botswana 
D) Pellagra 
E) Panagra

Question 6

The use of isotope decay to determine the age of rock samples that contain fossils is known as ____. ​

Accepted Answer

A) fossilization decay 
B) fossilization dating 
C) biogeography 
D) plate tectonics 
E) radiometric dating 
A) fossilization decay 
B) fossilization dating 
C) biogeography 
D) plate tectonics 
E) radiometric dating

Question 7

Darwin's observations led to his proposal that evolution occurred due to ____. ​

Accepted Answer

A) random chance 
B) climatic changes 
C) natural selection 
D) migration 
E) interaction of species 
A) random chance 
B) climatic changes 
C) natural selection 
D) migration 
E) interaction of species

Question 8

One of the basic principles of evolution is the concept of ____. ​

Accepted Answer

A) genetic drift 
B) divergent physiology 
C) economic diversity 
D) a shared ancestor 
E) creationism 
A) genetic drift 
B) divergent physiology 
C) economic diversity 
D) a shared ancestor 
E) creationism

Question 9

Natural selection is best summarized as ____. ​

Accepted Answer

A) mutation in various species 
B) independent assortment of genes during meiosis 
C) the difference in survival and reproduction in a population 
D) changes in chromosome number or structure 
E) the adaptation of varying individuals to changes in the environment 
A) mutation in various species 
B) independent assortment of genes during meiosis 
C) the difference in survival and reproduction in a population 
D) changes in chromosome number or structure 
E) the adaptation of varying individuals to changes in the environment

Question 10

The layering of sediments above fossil remains is called ____. ​

Accepted Answer

A) sedimentation 
B) divergence 
C) stratification 
D) entombment 
E) layering sequence 
A) sedimentation 
B) divergence 
C) stratification 
D) entombment 
E) layering sequence

Question 11

The term reproductive isolation mechanism refers to ____. ​

Accepted Answer

A) specific areas where males compete or display for females 
B) the process by which sexual selection evolves within a population 
C) a blockage of gene flow between populations 
D) the inability of a species to continue reproduction 
E) legal limits to procreation 
A) specific areas where males compete or display for females 
B) the process by which sexual selection evolves within a population 
C) a blockage of gene flow between populations 
D) the inability of a species to continue reproduction 
E) legal limits to procreation

Question 12

Body parts that are similar in different lineages because they are adapted to the same environment are ____. ​

Accepted Answer

A) homologous structures 
B) comparative structures 
C) analogous structures 
D) repetitive structures 
E) vestigial structures 
A) homologous structures 
B) comparative structures 
C) analogous structures 
D) repetitive structures 
E) vestigial structures

Question 13

The process that accounts for the most changes a mix of alleles in a gene pool is ____. ​

Accepted Answer

A) natural selection 
B) genetic drift 
C) phenotype variations 
D) inheritance 
E) mutations 
A) natural selection 
B) genetic drift 
C) phenotype variations 
D) inheritance 
E) mutations

Question 14

The buildup of genetic differences between isolated populations is ____. ​

Accepted Answer

A) gene flow 
B) genetic equilibrium 
C) divergence 
D) adaptation 
E) natural selection 
A) gene flow 
B) genetic equilibrium 
C) divergence 
D) adaptation 
E) natural selection

Question 15

In which kingdom do humans belong? ​

Accepted Answer

A) Eukarya 
B) Animalia 
C) Mammalia 
D) Primates 
E) Homininae 
A) Eukarya 
B) Animalia 
C) Mammalia 
D) Primates 
E) Homininae

Question 16

The bones in bat wings and those in the human arm are ____. ​

Accepted Answer

A) homologous structures 
B) comparative structures 
C) analogous structures 
D) repetitive structures 
E) vestigial structures 
A) homologous structures 
B) comparative structures 
C) analogous structures 
D) repetitive structures 
E) vestigial structures

Question 17

The primates first arose about how many million years ago? ​

Accepted Answer

A) 30 
B) 40 
C) 50 
D) 60 
E) 70 
A) 30 
B) 40 
C) 50 
D) 60 
E) 70

Question 18

New alleles in a population come about through ____. ​

Accepted Answer

A) natural selection 
B) genetic drift 
C) gene flow 
D) inheritance 
E) mutations 
A) natural selection 
B) genetic drift 
C) gene flow 
D) inheritance 
E) mutations

Question 19

Describe the five trends that mark human evolution. Explain the significance of each. ​

Accepted Answer

The first is precision and power of the

Question 20

Organic compounds break down spontaneously in the presence of ____. ​

Accepted Answer

A) oxygen 
B) nitrogen 
C) hydrogen 
D) water vapor 
E) carbon dioxide 
A) oxygen 
B) nitrogen 
C) hydrogen 
D) water vapor 
E) carbon dioxide

Exam 23: Principles of Evolution

After the theory of natural selection was proposed, how many years did it take for the work in genetics to provide supporting insights? ​

The disappearance of dinosaurs about 65 million years ago is an example of ____. ​

In the theory of evolution, which of the following evolves? ​

In which order do humans belong? ​

Early in Earth's history, there was a massive "supercontinent" known as ____. ​

The use of isotope decay to determine the age of rock samples that contain fossils is known as ____. ​

Darwin's observations led to his proposal that evolution occurred due to ____. ​

One of the basic principles of evolution is the concept of ____. ​

Natural selection is best summarized as ____. ​

The layering of sediments above fossil remains is called ____. ​

The term reproductive isolation mechanism refers to ____. ​

Body parts that are similar in different lineages because they are adapted to the same environment are ____. ​

The process that accounts for the most changes a mix of alleles in a gene pool is ____. ​

The buildup of genetic differences between isolated populations is ____. ​

In which kingdom do humans belong? ​

The bones in bat wings and those in the human arm are ____. ​

The primates first arose about how many million years ago? ​

New alleles in a population come about through ____. ​

Describe the five trends that mark human evolution. Explain the significance of each. ​

Organic compounds break down spontaneously in the presence of ____. ​

Learning About Human Biology

Chemistry of Life

Cells and How They Work

Tissues, Organs, and Organ Systems

The Skeletal System

The Muscular System

Circulation: the Heart and Blood Vessels

Blood

Immunity and Disease

The Respiratory System

Digestion and Nutrition

The Urinary System

The Nervous System

Sensory Systems

The Endocrine System

Reproductive Systems

Development and Aging

Cell Reproduction

Introduction to Genetics

Chromosomes and Human Genetics

DNA Genes and Biotechnology

Genes and Disease: Cancer

Principles of Ecology

Human Impacts on the Biosphere

Filters

After the theory of natural selection was proposed, how many years did it take for the work in genetics to provide supporting insights?

The disappearance of dinosaurs about 65 million years ago is an example of ____.

In the theory of evolution, which of the following evolves?

In which order do humans belong?

Early in Earth's history, there was a massive "supercontinent" known as ____.

The use of isotope decay to determine the age of rock samples that contain fossils is known as ____.

Darwin's observations led to his proposal that evolution occurred due to ____.

One of the basic principles of evolution is the concept of ____.

Natural selection is best summarized as ____.

The layering of sediments above fossil remains is called ____.

The term reproductive isolation mechanism refers to ____.

Body parts that are similar in different lineages because they are adapted to the same environment are ____.

The process that accounts for the most changes a mix of alleles in a gene pool is ____.

The buildup of genetic differences between isolated populations is ____.

In which kingdom do humans belong?

The bones in bat wings and those in the human arm are ____.

The primates first arose about how many million years ago?

New alleles in a population come about through ____.

Describe the five trends that mark human evolution. Explain the significance of each.

Organic compounds break down spontaneously in the presence of ____.