Answer:
Population trend refers to changes over time and can include changes in ranging behavior (e.g., distance and route) and distribution, biogeography (e.g., size of population) and life-history (e.g., birth and death rates).
The vacuole is a "container" in the cytoplasm in a cell that stores water, food, and waste.
B. malignant is the correct answer
the same goes for the other