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Many color and tail pattern varieties exist. They generally need a ratio of 1 male to 2 females or more. All guppies and mollies are hardy fish that tolerate lower oxygen levels and temperatures than most aquarium fish, give birth to live young, and readily breed in home tanks. [58] can live in full sea water [59] 66 °F - 84 °F (19 °C - 29 °C)
Plants form the base of the food chain and need sunlight and nutrients to grow. In the ocean, these plants are mainly microscopic phytoplankton which drift in the water column . They need sunlight for photosynthesis , which powers carbon fixation , so they are found only relatively near the surface, but they also need nutrients.
This list of carnivorous plants is a comprehensive listing of all known carnivorous plant species, of which more than 750 are currently recognised. [1] Unless otherwise stated it is based on Jan Schlauer's Carnivorous Plant Database Archived 2016-09-18 at the Wayback Machine. Extinct taxa are denoted with a dagger (†).
In plant taxonomy, which is the study of the classification and identification of plants, the morphology of plant's flowers are used extensively – and have been for thousands of years. Although the history of plant taxonomy extends back to at least around 300 B.C. with the writings of Theophrastus , [ 120 ] the foundation of the modern ...
The term "synthetic" implies that a stone has been created to be chemically and structurally indistinguishable from a genuine one, and genuine opal contains no resins or polymers. The finest modern lab-created opals do not exhibit the lizard skin or columnar patterning of earlier lab-created varieties, and their patterns are non-directional.
The incident was broadcast live on radio and filmed. Ignition of leaking hydrogen is widely assumed to be the cause, but later investigations pointed to the ignition of the aluminized fabric coating by static electricity. But the damage to hydrogen's reputation as a lifting gas was already done and commercial hydrogen airship travel ceased.
The Acropolis at Athens (1846) by Leo von Klenze.Athena's name probably comes from the name of the city of Athens. [4] [5]Athena is associated with the city of Athens. [4] [6] The name of the city in ancient Greek is Ἀθῆναι (Athȇnai), a plural toponym, designating the place where—according to myth—she presided over the Athenai, a sisterhood devoted to her worship. [5]