The animals he caught were his family's primary food source.
Copepods and other zooplankton are a primary food source for cod in its larval stage.
The primary food source for the Canada lynx is the snowshoe hare.
Their parents snatch insects, their primary food, out of the sky.
The models will focus on rice, the country's primary food staple.
The areas that I've been doing research in the east, sago is the primary food.
Cambrian photosynthetic organisms, the primary food of animals, are entirely unicellular.
There, young snakes faced a shortage of juvenile lizards, their primary food source.
Last month, Time Warner introduced myrecipes.com, a Web site that supplanted AOL.com's food channel as the company's primary food offering.
When they migrate in December, they're looking for a quiet place where they can find fish, their primary food source.
Wheat, millet, rice, and sorghum are the primary food crops, with rice production being concentrated in the wetter areas.
