The crown of thorns starfish is currently attacking the Great Barrier Reef. Causes for this problem include overpopulation and pollution.
The crown of thorns starfish (acanthaster planci), a very large starfish, is found throughout the Pacific and Indian oceans. They can grow to be as large as a half meter and begin life as [...]

The Aztec diet and culture included many foods, most notably Muscovy duck and the prickly pear cactus. Ritual cannibalism was merely a religious action.
The similarities and the differences in the foods eaten by the Aztecs, the Inuit, and the Dakota are how they harvested and hunted their food as well as how they [...]

The Dakota were hunters of game and foragers of berries, while the Inuit primarily hunted sea animals and searched for seaweed.
The Dakota were a nomadic people and moved based on where the largest buffalo heard was. The Dakota primarily ate many meats and game meats, especially buffalo. Their diet did not consist of [...]

There are many similarities and differences between the different Native American nations regarding food. The Inuit, Aztec and Dakota all shared this trait.
There are obviously some large differences between how the Dakota and Inuit ate compared to the Aztecs. While Aztecs practiced an almost vegetarian diet both the Dakota and Inuit relied heavily [...]

Different aspects of the Aztec culture including religion, diet and food — hunting practices and the use of chocolate and hallucinogenic plants.
The Aztecs of Mexico had a varied diet that ranged from simple vegetables and a few domesticated animals to the consumption of human flesh. There was also the ingestion of many different [...]