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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

Hydrilla (hydrilla verticillata) is an invasive aquatic plant and one of the most serious aquatic pests in florida. hydrilla has already been introduced to hundreds of bodies of water throughout florida, hydrilla is difficult to control because it grows rapidly and survives in many different water depths and conditions. hydrilla • describe how hydrilla affects native plant and animal species. include both a biotic and an abiotic limiting factor. • suggest one biotic and one abiotic recommendation that could slow the spread of hydrilla