Water

Pila globosa 5 (18)

Pila globosa is a large freshwater gastropod mollusk belonging to the family Ampullariidae, commonly referred to as apple snails. Native to South and Southeast Asia, it is especially widespread across India, Bangladesh, Sri Lanka, Myanmar, and parts of Thailand. It inhabits ponds, lakes, marshes, and slow-moving rivers, where it plays an important ecological role in

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Insect 5 (3)

Insects (from Latin insectum) are pancrustacean hexapod invertebrates of the class Insecta. They are the largest group within the arthropod phylum. Insects have a chitinous exoskeleton, a three-part body (head, thorax and abdomen), three pairs of jointed legs, compound eyes and one pair of antennae. Insects are the most diverse group of animals; they include more than a million described species and represent more than half of all known living organisms. The total number of extant species is estimated at

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Oxygen 5 (53)

Oxygen (O) is a chemical element with atomic number 8 and symbol O. It is a highly reactive non-metal and a member of the chalcogen group in the periodic table. Oxygen is essential for life on Earth, forming the basis of cellular respiration in aerobic organisms and participating in numerous chemical and industrial processes. About

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Caspian Sea 5 (26)

The Caspian Sea is the largest enclosed inland body of water on Earth, spanning approximately 371,000 square kilometers (143,000 square miles). Despite its name, it is technically a lake, though historically referred to as a “sea” due to its saline water and large size. The Caspian Sea is bordered by five countries: Russia, Kazakhstan, Turkmenistan,

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Estuary 5 (18)

An estuary is a coastal water body where freshwater from rivers and streams meets and mixes with saltwater from the ocean. Estuaries are highly productive ecosystems, supporting diverse plant and animal life and providing crucial services to humans, including fisheries, flood protection, and water filtration. 🌐 Formation and Geography Estuaries form where the topography and

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