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