State the advantage and disadvantage of having stomata on either side of the leaves

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 .

If a cell's main function is to produce proteins to be excreted, which organelles would you expect to be larger

What pattern of migration do whales follow?