What is the function of our ecosystem? a)It shields the Earth from the sun's UV rays. b)It breaks down and absorbs pollution. c)It increases oxygen in the atmosphere. d)It increases temperature in the summer and decreases temperature in the winter.

one is through turgidity. this occurs before ground tissue ( collenchyma

and sclerenchyma cells) become well

developed to give structural support to the plant as it grows bigger. the xylem

tissue (composed of rigid tissue) of the young

plant render this support and also maintaining osmotic turgidity of the surrounding

plant cells.

which fault and or fold did you find most difficult to diagram