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radiocarbon    
n. 放射性炭素,炭素的放射性同位元素

放射性炭素,炭素的放射性同位元元素

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  • Lemon Shark - Ocean Conservancy
    About When life gives you a lemon shark … celebrate! Lemon sharks get their name from their yellow-ish hue that allows them to blend into the ocean’s sandy bottom Lemon sharks spend a lot of time in the sand looking for their prey, including fish, rays and crustaceans
  • Lemon Shark Facts: Description, Behavior, Conservation
    Discover fascinating lemon shark facts, including appearance, habitat, behavior, and conservation status
  • Lemon Sharks: Characteristics, Behavior, Feeding, Mating . . .
    Lemon sharks live in tropical, saltwater, marine environments and are found in reefs, coastal areas, sea bottoms, the open ocean and brackish water typically at depths of zero to 90 meters (295 feet) Their habitats include coral reefs, mangrove areas and enclosed bays They also show up where humans are found and sometimes father around docks [Source: Alexander Lister, Animal Diversity Web
  • Lemon Shark Facts Information Guide - American Oceans
    The lemon shark is just one of the over 1,000 species of shark you can find across the globe Because of potentially depleting population sizes, the lemon shark is currently considered “Near Threatened ” Learn more about this species with our information guide
  • Lemon Shark - Oceana
    Lemon sharks are found in the waters of the Atlantic Ocean, from Virginia to southern Brazil, as well as parts of the Pacific These sharks prefer a defined home range and are often seen aggregating together The average adult shark can grow up to 3 meters (10 feet) and can be distinguished by its
  • Lemon shark - Wikipedia
    This species of shark gives birth to live young, and the females are polyandrous and have a biennial reproductive cycle Lemon sharks are not thought to be a large threat to humans; there have been 10 recorded bites, none of which were life-threatening The lemon shark's life span is unknown, but the average shark is 25 to 30 years old [6]
  • Creature Feature: Lemon Sharks - National Marine Sanctuary . . .
    Very rarely will lemon sharks venture out into deeper ocean waters Lemon sharks usually live in subtropical coastal waters, calling mangrove forests, coral reefs, and river mouths — all excellent locations for foraging — home Their preferred habitats make them one of the most commonly spotted and most studied species of shark in the world
  • Lemon Sharks ~ MarineBio Conservation Society
    Lemon sharks, Negaprion brevirostris (Poey, 1868), are named for their pale yellow to brown coloring on their dorsal (upper) sides and a lighter yellow on their ventral (lower) sides The body of the lemon shark is large and robust and commonly reaches lengths between 2 4-3 m with a maximum of 3 2-3 5 m The growth rate of the lemon shark is 0 54 cm per year





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