I don't understand because am Mexican

ayuda no le entiendo.

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 .

Body systems are not completely independent they integrate and work together describe one example of the integration between body systems

Dna replication or repair occurs in a cell in all of thw following situations except when