Enter the correct 4 digit code (no spaces ) the activity is photosynthesis escape room Please help as fast you can answer correct

What organs comprise the respiratory system of a bird

Which anatomical plane is the only one that could not show both the sternal region and vertebral region

You are given an electron micrograph of a bacterial cell. in the micrograph you can clearly see three thin layers of different densities surrounding the cell. based on the micrograph, you can infer that this cell is and would appear after application of the gram stain procedure. gram-negative / pink gram-positive / purple gram-positive / pink gram-negative / purple