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Teenage boy with microscope in Biology class
Petri dish. Petri's cup with liquid. Chemical elements, oil, cosmetics. Gel, water, molecules, viruses. Close-up. On a white background.
A Galapagos sea lion is diving in the ocean, seen from underwater. Scuba diving provides a unique perspective on the marine life of the Galapagos Islands.
"Close-up of a red gorgonian coral (sea fan) underwater, showing detailed polyps and complex branching structure against a blue reef background, marine biology and tropical ocean ecosystem concept."
Wild animals. Two specimens of the Greek tortoise or Moorish tortoise.

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