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Detailed scientific illustration of a dicot root cross section showing plant tissue layers, including epidermis, cortex Royalty Free Stock Photo

Human Organs Set with Brain, Heart, Lungs, Kidneys, and Liver.Vector Royalty Free Stock Photo

RBC Red Blood Cell text in bold grunge style font revealed through torn paper effect. Medical acronym concept background for Royalty Free Stock Photo

Greek tortoise (Testudo hermanni) pair and single tortoise isolated on white background, detail view of shell and limbs Royalty Free Stock Photo

Earthworm crawling in rich garden soil Royalty Free Stock Photo

Detailed scientific illustration showing the complete life cycle of a frog, including eggs, embryo, tadpole, tadpole with legs

Microscopic View of Bacteria Royalty Free Stock Photo

A labeled 3D vector illustration of human heart anatomy showing chambers, valves, and major arteries. Educational and medical Royalty Free Stock Photo

Educational biology illustration showing the anatomy of plant root tissue in cross section. The labeled diagram highlights main Royalty Free Stock Photo

Detailed educational illustration of the frog life cycle, showing stages from eggs, embryo, tadpole, tadpole with legs, froglet Royalty Free Stock Photo

$hoverfly resting on a vibrant pink dahlia bloom. The image highlights the insect\'s mimicry of bees and its role in flower Royalty Free Stock Photo$

Detailed scientific illustration showing the complete life cycle of a frog, including eggs, embryo, tadpole, tadpole with legs, froglet, and adult frog. Educational biology diagram showing Amphibian metamorphosis