57211
In some algae , the chloroplast takes up most of the cell , with pockets for the nucleus and other organelles , for example , some species of " Chlorella " have a cup-shaped chloroplast that occupies much of the cell .
 Chlorella
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:
 Chlorella