77041
The maternal investment in the egg is considerable , and the proportion of yolk to albumen , at about 50 % , is greater than would be predicted for a precocial egg of this size .
 albumen
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: media, plant, vehicle, astronomical object, time, disease, animal, location, person, organization, mythical figure, food, biology, geographical phenomenon, instrument, event 
Text: {0} 
Answer:
 albumen