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