Answer:
crust and outer part of the mantle
Osteo means bone. Cyte means cell. An osteocyte is a bone cell.
Your correct answer would be C. plant cells have mitochondria, a very important part of the cell, which means the plant cell needs structure to carry mitochondria throughout the cell to keep the flow of the process of photosynthesis, which brings energy to the plant.
A and E to be exact with this answer