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ecology
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mourning doves (Zenaida macroura) Ernst Haeckel Konrad Lorenz
What is a trophic cascade?
light gray peppered moth (Biston betularia) dark coloured peppered moth (Biston betularia)
What are the different types of extinction?
scale in ecological studies
For Students
ecology summary
Quizzes
greylag. Flock of Greylag geese during their winter migration at Bosque del Apache National Refugee, New Mexico. greylag goose (Anser anser)
Biology Bonanza
Chutes d'Ekom - a waterfall on the Nkam river in the rainforest near Melong, in the western highlands of Cameroon in Africa.
Ecosystems
Related Questions
Read Next
Water sits in a macro at a a restored wetland area in Starke County, Indiana May 25, 2021. The area is enrolled in the NRCS' Wetland Reserve Easement Program. The easement includes 200.6 acres of former cropland that were restored to create wetland, prairie and forest habitat for wildlife. The purpose of the macros is to provide habit and food to a variety of animals including migrating waterfowl, while returning the landscape to its natural appearance prior to the installation of drainage for agriculture and urban development.
How Do You Rewild an Environment?
Discover
Leonardo da Vinci (1452-1519), Italian Renaissance painter from Florence. Engraving by Cosomo Colombini (d. 1812) after a Leonardo self portrait. Ca. 1500.
10 Famous Artworks by Leonardo da Vinci
Woman tied to a ducking stool, a method of punishment by means of humiliation, beating, or death. (cucking stool)
8 Unusual Punishments Inflicted on Women Throughout History
A human Inuit skull in a stone chambered cairn in Ilulissat in Greenland. These ancient graves are pre christian and are at least 2000
14 Tough Questions Answered
Thanksgiving Turkey with all the sides
Why Do We Eat Turkey on Thanksgiving?
Title: Senate Square, St. Petersburg, December 14, 1825: repression of the troop mutiny - watercolor by Carl Ivanovitch Kollman, 1825 depicts Decembrist uprising clashing with cavalry, with spectators watching. (new style December 26, 1825) Europe. Saint
8 of the Largest Empires in History
The Cheshire Cat is a fictional cat from Lewis Carroll's Alice's Adventures in Wonderland. (Alice in Wonderland)
11 Banned Books Through Time
An ancient egyptian hieroglyphic painted carving showing the falcon headed god Horus seated on a throne and holding a golden fly whisk. Before him are the Pharoah Seti and the goddess Isis. Interior wall of the temple to Osiris at Abydos, Egypt.
11 Egyptian Gods and Goddesses

ecology: Media

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Videos

What is a trophic cascade?
Learn how small changes in the food pyramid can upend the ecosystem.
Video: Encyclopædia Britannica, Inc.
What are the different types of extinction?
The die-off of the dinosaurs is different from the extinction of the dodo.
Video: Encyclopædia Britannica, Inc.

Images

mourning doves (Zenaida macroura)
Mourning doves (Zenaida macroura) on their nest protected within the prickly...
© C.K. Lorenz, The National Audubon Society Collection/Photo Researchers
Ernst Haeckel
Ernst Haeckel, c. 1870.
The Bettmann Archive
Konrad Lorenz
Konrad Lorenz.
Keystone—Hulton Archive/Getty Images
light gray peppered moth (Biston betularia)
A light gray peppered moth (Biston betularia) and a darkly pigmented variant...
From the experiments of Dr. H.B.D. Kettlewell, University of Oxford; photographs by John S. Haywood
dark coloured peppered moth (Biston betularia)
Against the background of a lichen-covered oak tree, a darkly pigmented peppered...
From the experiments of Dr. H.B.D. Kettlewell, University of Oxford; photographs by John S. Haywood
scale in ecological studies
A forest patch nested within a landscape mosaic.
Encyclopædia Britannica, Inc.
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