There is no image showing the plant but based on the description, the answer is;
Chloroplast
Explanation:
A plant cell is a living cell that has a unique organnelle different from other cells. The organnelle is Chloroplast. According to the question, a green leaf-shaped organnelle is labeled I. This organnelle is Chloroplast because it is a plastid that reflects the green wavelength of light, hence making it appeared green and also the plant.
The CHLOROPLAST contains Chlorophyll A and B that contributes to the green coloration of the CHLOROPLAST, which is the organnelle in charge of the unique photosynthetic ability of the plant. It is where photosynthesis occurs.
X. Mechanisms and habits that include limit water loss.
Explanation:
Many mammals that live in dry ecosystems tend to have above adaptations because there is a shortage of water in these areas. And of course water is the most essential thing for survival.
