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