Plant cells have thick, sturdy cell walls, which provide rigidity and hold up the plant.
Answer:
The evolution of plant communities at a site over time- from pioneer species to climax vegetation. • At each stage of the succession the plant community. hope it will help you
Reaches earth by Radiation
It may be determination (not sure though)
A food allergy is a reaction that occurs when the <u>body</u> system reacts to a harmless substance in food, such as a protein that does not undergo digestion