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Vertebrates are animals with backbones
Hexagons pattern background. Genetic research, molecular structure. Chemical engineering. Concept of innovation technology. Used for design healthcare, science and medicine background
Aphids (plant lice, greenfly, blackfly or whitefly) and their natural enemy, seven-spot ladybird (ladybug) Coccinella septempunctata (Coleoptera: Coccinellidae)
Illustration of how moulting and development are controlled by three main hormones which affect metamorphosis.
High school girls making notes during a scientific experiment in a biology class.

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