It's an sight observation you're using your eyes to see it it's one of your 5th sences
The removal of the cell membrane.
The membrane regulates homeostasis by letting "stuff" (general term) in and out of the cell.
It gives you a generic understanding of how the sequence of events will go.
Answer:
Cactus (Cacti) Joshua Tree (Trees), Desert Lily (Flowers)
Explanation:
The producers I have mentioned are all plants and produce either food or oxygen.
