Others obtain most of their nourishment from endosymbiotic algae or dissolved nutrients. He often encouraged city dwellers to experience nature for its spiritual nourishment. Bereft of exterior nourishment, they begin to consume one another. These glands secrete fluid for nourishment of sperm. Food was so scarce that they were reduced to boiling grass for nourishment. The elements are spiritual nourishment in Christ by faith. She finds happiness in physical, emotional nourishment and development of her husband and her children. Annapurna is derived from Sanskrit meaning "the giver of food and nourishment". This fate has cursed him with eternal deprivation of nourishment. Despite this, lagomorphs have developed a way of extracting maximum nourishment from their diet. Meat-eating in the context of nourishment is permitted. Heterotrophs are organisms that must feed on others for nourishment and energy (respiration exceeds production). During that time, they are dependent on their yolk sacs for nourishment. Mantras commonly used here adore water as a source of nourishment, medicines and energy. Unlike Ammit, the other hippopotamus goddesses were responsible for nourishment and aid, not destruction.