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Evolution and Adaptation

Evolution and Adaptation  

Robin Dunbar

in Evolution: What Everyone Needs to Know®

Published in Print: 
17 December 2020
Published Online: 
12 November 2020
DOI: 
10.1093/wentk/9780190922894.003.0002
Format: 
chapter
How do species adapt to their environments? Darwin argued that species became increasingly adapted to their environments as variants (or what we would now call genetic mutants) ... More
Evolution and Genetics

Evolution and Genetics  

Robin Dunbar

in Evolution: What Everyone Needs to Know®

Published in Print: 
17 December 2020
Published Online: 
12 November 2020
DOI: 
10.1093/wentk/9780190922894.003.0003
Format: 
chapter
Why was the discovery of genetics so important for our understanding of evolution? Despite the fact that Darwin’s theory of evolution was widely acclaimed by his scientific ... More
Evolution and Natural Selection

Evolution and Natural Selection  

Robin Dunbar

in Evolution: What Everyone Needs to Know®

Published in Print: 
17 December 2020
Published Online: 
12 November 2020
DOI: 
10.1093/wentk/9780190922894.003.0001
Format: 
chapter
Why do we need a theory of evolution? We live in a world of immense diversity. There are around 5,500 species of mammals and some 10,000 species of birds. But even that pales into ... More
Evolution of Behavior

Evolution of Behavior  

Robin Dunbar

in Evolution: What Everyone Needs to Know®

Published in Print: 
17 December 2020
Published Online: 
12 November 2020
DOI: 
10.1093/wentk/9780190922894.003.0008
Format: 
chapter
What role does behavior play in evolution? Most adaptations ultimately require some level of genetic change, but genetic change depends in part on the availability of sufficient ... More
Evolution of Complexity

Evolution of Complexity  

Robin Dunbar

in Evolution: What Everyone Needs to Know®

Published in Print: 
17 December 2020
Published Online: 
12 November 2020
DOI: 
10.1093/wentk/9780190922894.003.0006
Format: 
chapter
Why do some species eat others? Life began as microscopic single-celled organisms making their own energy from sunlight and other chemical resources. At some point, some of these ... More
Evolution of Culture

Evolution of Culture  

Robin Dunbar

in Evolution: What Everyone Needs to Know®

Published in Print: 
17 December 2020
Published Online: 
12 November 2020
DOI: 
10.1093/wentk/9780190922894.003.0010
Format: 
chapter
Does culture evolve? Culture is defined as those aspects of our behavior and beliefs that are learned—passed on from parents to children or between two unrelated individuals, by ... More
Evolution of Humans

Evolution of Humans  

Robin Dunbar

in Evolution: What Everyone Needs to Know®

Published in Print: 
17 December 2020
Published Online: 
12 November 2020
DOI: 
10.1093/wentk/9780190922894.003.0007
Format: 
chapter
Who were our earliest ancestors? Our lineage can be said to have started when the African great apes of the late Miocene gave rise to a new, more terrestrial group, the ... More
Evolution of Life

Evolution of Life  

Robin Dunbar

in Evolution: What Everyone Needs to Know®

Published in Print: 
17 December 2020
Published Online: 
12 November 2020
DOI: 
10.1093/wentk/9780190922894.003.0004
Format: 
chapter
Can we say how life on earth started? The origins of life on earth must predate the earliest fossils, and presumably must be simpler in form than even those earliest fossils. It is ... More
Evolution of Sociality

Evolution of Sociality  

Robin Dunbar

in Evolution: What Everyone Needs to Know®

Published in Print: 
17 December 2020
Published Online: 
12 November 2020
DOI: 
10.1093/wentk/9780190922894.003.0009
Format: 
chapter
Why do some animals live in groups? The ancestral mammals were small (we can tell that from their fossils) and almost certainly solitary (as suggested by reconstructing their ... More
Evolution of Species

Evolution of Species  

Robin Dunbar

in Evolution: What Everyone Needs to Know®

Published in Print: 
17 December 2020
Published Online: 
12 November 2020
DOI: 
10.1093/wentk/9780190922894.003.0005
Format: 
chapter
What is a species? Having some way of classifying the natural world is important. That is the starting point of all science. For biology, it is also important for undertaking the ... More
From Not Alive to Almost Alive

From Not Alive to Almost Alive  

David W. Deamer

in Origin of Life: What Everyone Needs to Know®

Published in Print: 
26 November 2020
Published Online: 
12 November 2020
DOI: 
10.1093/wentk/9780190098995.003.0003
Format: 
chapter
If you are reading this book hoping to learn how life began, I’m sorry to say that no one knows the answer yet. We do know something about what the Earth was like four billion years ago ... More
How to Assemble a Habitable Planet

How to Assemble a Habitable Planet  

David W. Deamer

in Origin of Life: What Everyone Needs to Know®

Published in Print: 
26 November 2020
Published Online: 
12 November 2020
DOI: 
10.1093/wentk/9780190098995.003.0002
Format: 
chapter
Hydrogen is a colorless, odorless gas that, when given enough time, changes into people. How much time? 13.7 billion years! A good way to present the ... More
Introduction

Introduction  

David W. Deamer

in Origin of Life: What Everyone Needs to Know®

Published in Print: 
26 November 2020
Published Online: 
12 November 2020
DOI: 
10.1093/wentk/9780190098995.003.0001
Format: 
chapter
I’ll begin with a challenging question: Why should anyone want to know about the origin of life? The answers will vary from one person to the next, but the simplest answer is curiosity. ... More
What We Still Need to Discover

What We Still Need to Discover  

David W. Deamer

in Origin of Life: What Everyone Needs to Know®

Published in Print: 
26 November 2020
Published Online: 
12 November 2020
DOI: 
10.1093/wentk/9780190098995.003.0004
Format: 
chapter
The title of this book is The Origins of Life: What Everyone Needs to Know. Well, everyone needs to know not just the answers we have found so far but also the questions that remain. This ... More

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