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