Answer:
A. The specific functional role of an organism
Explanation:
A habitat is the general place where an organism lives and a niche is the range of physical and biological conditions in which a species lives and the way the species obtain what it needs to survive and reproduce.
The unit of measurement in an ecological footprint is the global hectare.
The growing problem In the video is when water is not getting in the tree roots.
Since the images are not available, I can only give the hints to correctly classify the items as a fruit and a vegetable.
a. If it is a fruit, then it will have seeds inside it. Example, the seeds in a citrus lime or a lemon, a watermelon.
b. If it is a vegetable, then it will be any edible part of the plant, like the leaves, stem, roots, or the flower, but not the fruit. Examples are spinach, potato, cauliflower, cabbage, etc.