Parts of a Plant video

This is a video about the parts of the plants...
Listen carefully and pay attention to the video to answer the following questions hope you enjoy the show
Thank you

Question 1: What is the upper part of the plant called?
Question 2: What is the lower part of the plant called?
Question 3: What gives the leaves the green color?
Question 4: From where does the plant absorb the minerals and water?