I believe the blank is "mass."
Answer:
C.
Explanation:
Biodiversity refers to the number of unique organisms within a region. C best explains that with the 1200 species of plant.
P.S. Thanks for separating the options. It´s a small detail that helps my eyes.
Answer:1) Chloroplast, mitochondrion and vacuole are the organelles
Explanation: a leaf is a organ of a plant and is not found in cells. An enzyme creates chemical reactions in the body. the DNA is just the plan on how to build the cell and how to do certain cellular processes. therefore a chloroplast, mitochondria and vacuole are all organells. also the mitochondrion creates energy, a vacuole stores food and water and a chloroplast converts the suns energy into food