A) Dolphin B) Manatee C) Seal D) Orca
A) Polar regions B) Deep sea C) Freshwater lakes D) Coastal waters
A) Cetacea B) Sirenia C) Pinnipeds D) Elasmobranchs
A) 6 B) 8 C) 2 D) 4
A) From consuming rocks B) From their mother's milk C) By hunting small fish D) From seaweed
A) Habitat loss B) Illegal hunting C) Pollution D) Climate change
A) Vocalizations B) Holograms C) Bioluminescence D) Sign language
A) Manatus africanus B) Trichechus manatus C) Trichechus latirostris D) Manatus mexicanus
A) Carl Linnaeus B) Charles Darwin C) Georg Wilhelm Steller D) Alexander von Humboldt
A) Around the Commander Islands in the Bering Sea B) The Caribbean Sea C) The Gulf of Mexico D) The Mediterranean Sea
A) It was hunted into extinction for its meat, fat, and hide B) Introduction of invasive species C) Competition with other marine mammals D) Climate change causing habitat loss
A) Dugongidae B) Cetacea C) Pinnipedia D) Trichechidae
A) Up to 12 meters (39 feet) B) Up to 5 meters (16 feet) C) Up to 9 meters (30 feet) D) Up to 15 meters (49 feet)
A) Antifreeze proteins in its blood B) A thicker layer of blubber C) Thick fur covering its body D) Ability to hibernate underwater
A) It could float on its back at all times B) It could dive deeper than any other marine mammal C) It had a neutral buoyancy like most fish D) It was positively buoyant and unable to submerge completely
A) Rough and spiky all over B) Completely smooth throughout C) Smooth along its back and rough on its sides D) Covered in scales
A) Sharp teeth B) Suction cups C) Claws on its flippers D) A dense array of interlacing white bristles on its upper lip
A) To regulate light entering the eye B) To cover its eyes to prevent injury while feeding C) To keep its eyes moist D) To help it see better underwater
A) 50 meters (164 feet) B) 300 meters (984 feet) C) 100 meters (328 feet) D) About 151 meters (500 feet)
A) 2 to 4 tons B) 12 to 15 tons C) 8 to 10 tons D) 5 to 7 tons
A) It had no significant evolutionary adaptations B) It was closely related to terrestrial mammals C) Convergent evolution with other marine mammals of genes related to metabolic and immune function D) It evolved from a land-dwelling ancestor
A) Jeff Bezos B) Sergi Bachin C) Bill Gates D) Elon Musk
A) 1868 B) 1744 C) 1893 D) 1840
A) A natural habitat restoration B) Crossbreeding with other marine mammals C) Advanced cloning techniques D) An artificial womb
A) They suffered a population bottleneck roughly 400,000 years ago. B) They evolved independently without any common ancestors. C) They were unaffected by environmental changes. D) They had no significant changes in their populations over time.
A) Phyllospadix spp. B) Laminaria saccharina C) Nereocyctis luetkeana D) Agarum spp.
A) Six months. B) A little over a year. C) Two years. D) Three months.
A) Johann Friedrich von Brandt B) Vitus Bering C) Friedrich Plenisner D) Peter Simon Pallas
A) Trichechidae B) Dugongidae C) Hydrodamalinae D) Sirenia
A) Rytina B) Manati C) Dusisiren D) Hydrodamalis
A) Tsarskoye Selo Picture B) Waxell's Manuscript C) The Ideal Image D) The Pallas Picture
A) By producing bioluminescent signals B) With sighs and snorting sounds C) Using echolocation D) Through vocal cords like humans
A) Round and flat B) Square-shaped C) Triangular D) Forked, like that of whales or dugongs
A) Brownish-black with white patches on some individuals B) Brightly colored with stripes C) Transparent D) Completely white
A) 90 B) 27 C) 12 D) 62
A) In schools as part of physical education B) Outdoors in good weather C) During festivals and celebrations D) At home between adults during bad weather
A) Anders Jahan Retzius B) Eberhard von Zimmermann C) Johann Karl Wilhelm Illiger D) Theodore Sherman Palmer
A) Amgen B) Moderna C) BioNTech D) Colossal Biosciences
A) spissa B) gigas C) stelleri D) cuestae
A) Ingmar Bergman B) Lars von Trier C) Etienne de France D) Björk Guðmundsdóttir
A) Stejneger B) Johann Friedrich von Brandt C) Sven Waxell D) Peter Simon Pallas
A) The dugong (Dugong dugon) B) Northern fur seal C) Steller sea lion D) Sea otter
A) Seagrass B) Fish C) Kelp D) Plankton
A) Falling Awake B) The Golden Gate C) Grain D) The Lightbox
A) Pliocene B) Middle Pleistocene C) Holocene D) Late Pleistocene interglacial deposits
A) Kiska Island B) St. Lawrence Island C) Buldir Island D) Adak Island
A) Manati stelleri B) Hydrodamalis gigas C) Rytina gigas D) Dusisiren gigas
A) 1741 B) 1855 C) 1895 D) 1844
A) 2021 B) 2019 C) 2015 D) 2018
A) Charles Darwin B) Elizabeth Porfirevna Orlova C) George Steller D) Alexander von Humboldt
A) Eberhard von Zimmermann B) Georg Wilhelm Steller C) Anders Jahan Retzius D) Johann Karl Wilhelm Illiger |