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The avocado, alligator pear or avocado pear (Persea americana) is an evergreen tree in the laurel family (Lauraceae). It is native to the Americas and was first domesticated in Mesoamerica more than 5,000 years ago. It was prized for its large and unusually oily fruit. [3]
November 8, 2024 at 2:29 PM. MEXICO CITY (AP) — The U.S. government extended avocado import permissions to Guatemala on Friday, but don’t expect that to result in cheaper guacamole anytime ...
Avocados growing in Oaxaca. Avocado production is important to the economy of Mexico with the country being the world's largest producer of the crop. [1] [2] Mexico supplies 45 percent of the international avocado market. [3] Of the 57 avocado producing countries, the other major producers are Colombia, Peru, Dominican Republic, and Kenya, in ...
The deep chlorophyll maximum (DCM), also called the subsurface chlorophyll maximum, [1][2] is the region below the surface of water with the maximum concentration of chlorophyll. The DCM generally exists at the same depth as the nutricline, the region of the ocean where the greatest change in the nutrient concentration occurs with depth.
Splitfin flashlightfish are found in the western and central Pacific Ocean from the Philippines and Indonesia east to the Tuamotus, north to Japan, and south to the Great Barrier Reef. It is generally found near drop-offs and caves 200–400 m (660–1,310 ft) in depth, [ 2 ] but will move into shallower waters during the winter months.
Cyclothone is a genus containing 13 extant species of bioluminescent fish, commonly known as ' bristlemouths ' or 'bristlefishes' due to their shared characteristic of sharp, bristle-like teeth. These fishes typically grow to around 1-3 inches, though some can be larger. They are most commonly found in the mesopelagic zone of the ocean, mostly ...
Marine food web. The pelagic food web, showing the central involvement of marine microorganisms in how the ocean imports nutrients from and then exports them back to the atmosphere and ocean floor. A marine food web is a food web of marine life. At the base of the ocean food web are single-celled algae and other plant-like organisms known as ...
Light-dependent reactions are certain photochemical reactions involved in photosynthesis, the main process by which plants acquire energy. There are two light dependent reactions: the first occurs at photosystem II (PSII) and the second occurs at photosystem I (PSI). PSII absorbs a photon to produce a so-called high energy electron which ...