Evolution Under Pressure by Yolanda Ridge
Author:Yolanda Ridge
Language: eng
Format: epub
Publisher: Annick Press
Published: 2023-05-25T17:33:52+00:00
Chapter Four:
Camouflage: How Pollution Colors Moths
We were happy on the farm for thousands of years. It was hard work since everything had to be done by hand. Many people also think it led to a decline in nutrition and an increase in disease. But controlling our environment seemed worth it. We had food in the cupboard and a warm bed for sleeping.
With more food and better shelter, the population grew. People got together to share knowledge and make trades. This led to two major advancements:
New tools like wooden, horse-drawn plows
Machines powered by steam engines
Download
This site does not store any files on its server. We only index and link to content provided by other sites. Please contact the content providers to delete copyright contents if any and email us, we'll remove relevant links or contents immediately.
Harry Potter: A Journey Through a History of Magic by British Library(368)
The Science of Philip Pullman's His Dark Materials by Mary Gribbin(343)
The Basics of Organic Chemistry by Clowes Martin;(342)
Harry Potter and the Sorcerer's Stone: SparkNotes Literature Guide by SparkNotes(305)
Flowers in the Gutter by K. R. Gaddy(272)
Braiding Sweetgrass for Young Adults by Robin Wall Kimmerer(266)
Super Simple Chemistry by D.K. Publishing(261)
Exam Success in Geography for IGCSE & O Level by Unknown(258)
Summary of the Selfish Gene by Readtrepreneur Publishing(257)
JavaScript Coding for Teens: A Beginner's Guide to Developing Websites and Games by Yueh Andrew(251)
Dark days in Salem: the witchcraft trials by Deborah Kent(244)
The Python Audio Cookbook;Recipes for Audio Scripting with Python by Alexandros Drymonitis(240)
Analysis and Linear Algebra for Finance: Part II by Bookboon.com(236)
Key Immigration Laws by Kathryn Ohnaka(229)
Cracking the AP Economics Macro & Micro Exams, 2017 Edition by Princeton Review(223)
Solutions for a Cleaner, Greener Planet: Environmental Chemistry by Marc Zimmer(214)
The Science of Fashion by Julie Danneberg;(212)
Reverse Engineering For Everyone! by mytechnotalent(203)
Cracking the AP Psychology Exam, 2017 Edition by Princeton Review(199)
