At the core of these beliefs are traditions that allowed sea turtles to be consumed as food but prevented them from being depleted.

Many ant dispersed seeds have special external structures, elaiosomes, that are sought after by ants as food.

The importance of bread as a daily staple meant that bakers played a crucial role in any medieval community.

Rice and other grains have been eaten by humans as their main food for over 10,000 years.

More intense agriculture on an ever increasing acreage resulted in a shift from animal products, like meat and dairy, to various grains and vegetables as the staple of the majority population.

Even the capture of sea turtles as food required that they be shared by the entire community under threat of prohibitions for violating community norms.

Indeed, the enslavement of animals, for labor and for food, is more pervasive and more central to our way of life than the enslavement of other humans ever was.

About 20 species of pine produce seeds large enough to be worth harvesting in other pines the seeds are also edible, but are too small to be of notable value as a human food.

National and international trade and book fairs were used as grounds for promoting rice marketing and nutrition, stimulating interest in various rice technologies, disseminating information to the general public and increasing awareness of the role and importance of rice as a staple food.

Three billion people depend on rice as their staple food, with 10 at risk for vitamin A deficiency, which, according to the World Health Organization, causes 250,000 500,000 children to go blind each year.

Equally subject to human power are the animals that we raise for food, among them sows confined for their entire pregnancies four months per pregnancy, two pregnancies per year in stalls too narrow for them even to turn around.

Globally, the average gross revenue earned from locations where sea turtles were a major attraction for tourists was 2.9 times higher than areas where they were consumed as food.