Explain the effect of temperature on the time taken for the universal indicator paper to change color

Name the plastid and pigment likely to be found in the cells of (a) petals of sunflower (b) ripe tomato.

After getting the slide and microscope ready, stella is eager to see the microscopic pond water specimen! she crouches around her microscope and aligns her eye with the microscope’s eyepiece. but she's only able to see a bright white light. at this point, no specimens or cells are visible on stella's pond water slide. after taking a moment to collect her thoughts, stella realizes she can't see any lifeforms because .

Diffusion and osmosis are forms of passive transport