U-Science-gr6-Unit5-PBT-CBT (2020 - 21) two questions only 1. Which of these shows the correct hierarchical sequence?
A. Organs - cells - tissues - organ systems
B. Cells- tissues- organs- organ system
C. Organ systems-tissues-cells-organs
D. tissues-cells-organ-organ system

2.which term identifies a group of cells that work together in order to perform a similar function?
A. molecule
B. organism
C. organ
D. tissue

I just need these two answers, thanks!