D. Mitosis and Cytokinesis
Of course the major needs of a plant is CHLOROPHYLL, because chlorophyll makes the plant green then SUNLIGHT, because the process cant work without energy. Then WATER and CARBON DIOXIDE.
Hoping this could help
Answer:
C: new, higher-yield crops
Explanation:
All of the other answers are problems while C is a positive scenario.
If they live in a river, they would most likely need fins (to swim) and gills (to breathe under water)
Hope this helps!