Answer:
the respective means of growth within an organism varies from organism to organism. For instance, multicellular organisms grow via a process of cellular division known as mitosis, while others (being unicellular) grow or reproduce colonially-speaking via a process called binary fission.
Explanation:
Hope this helps!!
The correct answer is Chloroplast
The primary function of a leaf is photosynthesis and the chloroplast is the main site for photosynthesis. The rate of photosynthesis is much more in leaves as compared to that of roots. Chloroplast is the place where light and dark reactions takes place. Chloroplast contains a pigment called chlorophyll that absorbs light from the sun for the process of photosynthesis.