Examlex
Freshwater bony fishes continually produce a large volume of ______urine to counteract the effects of osmosis.
Gas Filled Vacuoles
Structures within some cells that contain gas, which can provide buoyancy or maintain cell shape.
Pili
Hair-like structures on the surface of many bacteria that are involved in attachment to surfaces and in the transfer of genetic material.
Protist Structures
The varied and complex cellular organizations found in protists, ranging from single-celled to multicellular forms.
Eyespot
A pigmented organelle found in some algae and protozoa, allowing the organism to sense light direction.
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