Please help me out this ecology lab.

Intro video: https://drive.google.com/file/d/1NTUyhKIr1n5_tRUqemYBcExD3bVMaTZZ/view

Treatment 1: https://drive.google.com/file/d/11uT_8bPLd3OUEZRnonF_kM-Qdfic4B_Y/view

Treatment 2: https://drive.google.com/file/d/1V1E4HNLjfy9X-0vvDzBZ44-9lh-lJpR5/view

Treatment 3: https://drive.google.com/file/d/1NMkBbndclz6bQon252D1rQ0Jh4qVzwjJ/view