A) Manatee B) Orca C) Seal D) Dolphin
A) Freshwater lakes B) Deep sea C) Polar regions D) Coastal waters
A) Cetacea B) Elasmobranchs C) Pinnipeds D) Sirenia
A) 8 B) 6 C) 2 D) 4
A) From seaweed B) By hunting small fish C) From consuming rocks D) From their mother's milk
A) Habitat loss B) Climate change C) Pollution D) Illegal hunting
A) Sign language B) Bioluminescence C) Holograms D) Vocalizations
A) Manatus mexicanus B) Trichechus manatus C) Trichechus latirostris D) Manatus africanus
A) Charles Darwin B) Carl Linnaeus C) Alexander von Humboldt D) Georg Wilhelm Steller
A) The Mediterranean Sea B) The Caribbean 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) Competition with other marine mammals C) Introduction of invasive species D) Climate change causing habitat loss
A) Trichechidae B) Cetacea C) Dugongidae D) Pinnipedia
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) Ability to hibernate underwater C) Thick fur covering its body D) A thicker layer of blubber
A) It could dive deeper than any other marine mammal B) It could float on its back at all times C) It had a neutral buoyancy like most fish D) It was positively buoyant and unable to submerge completely
A) Covered in scales B) Rough and spiky all over C) Completely smooth throughout D) Smooth along its back and rough on its sides
A) A dense array of interlacing white bristles on its upper lip B) Suction cups C) Claws on its flippers D) Sharp teeth
A) To keep its eyes moist B) To help it see better underwater C) To cover its eyes to prevent injury while feeding D) To regulate light entering the eye
A) 300 meters (984 feet) B) About 151 meters (500 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) It had no significant evolutionary adaptations B) It evolved from a land-dwelling ancestor C) Convergent evolution with other marine mammals of genes related to metabolic and immune function D) It was closely related to terrestrial mammals
A) Sergi Bachin B) Elon Musk C) Jeff Bezos D) Bill Gates
A) 1893 B) 1868 C) 1840 D) 1744
A) Advanced cloning techniques B) An artificial womb C) A natural habitat restoration D) Crossbreeding with other marine mammals
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) Nereocyctis luetkeana B) Agarum spp. C) Phyllospadix spp. D) Laminaria saccharina
A) Six months. B) Three months. C) A little over a year. D) Two years.
A) Friedrich Plenisner B) Vitus Bering C) Peter Simon Pallas D) Johann Friedrich von Brandt
A) Dugongidae B) Trichechidae C) Sirenia D) Hydrodamalinae
A) Rytina B) Hydrodamalis C) Manati D) Dusisiren
A) The Pallas Picture B) Tsarskoye Selo Picture C) The Ideal Image D) Waxell's Manuscript
A) With sighs and snorting sounds B) Through vocal cords like humans C) Using echolocation D) By producing bioluminescent signals
A) Triangular B) Round and flat C) Forked, like that of whales or dugongs D) Square-shaped
A) Brightly colored with stripes B) Transparent C) Brownish-black with white patches on some individuals D) Completely white
A) 27 B) 62 C) 90 D) 12
A) At home between adults during bad weather B) In schools as part of physical education C) Outdoors in good weather D) During festivals and celebrations
A) Eberhard von Zimmermann B) Theodore Sherman Palmer C) Johann Karl Wilhelm Illiger D) Anders Jahan Retzius
A) Colossal Biosciences B) BioNTech C) Amgen D) Moderna
A) gigas B) spissa C) cuestae D) stelleri
A) Etienne de France B) Björk Guðmundsdóttir C) Ingmar Bergman D) Lars von Trier
A) Sven Waxell B) Stejneger C) Johann Friedrich von Brandt D) Peter Simon Pallas
A) Steller sea lion B) The dugong (Dugong dugon) C) Sea otter D) Northern fur seal
A) Plankton B) Kelp C) Fish D) Seagrass
A) Falling Awake B) Grain C) The Golden Gate D) The Lightbox
A) Late Pleistocene interglacial deposits B) Middle Pleistocene C) Holocene D) Pliocene
A) Kiska Island B) Adak Island C) St. Lawrence Island D) Buldir Island
A) Hydrodamalis gigas B) Rytina gigas C) Dusisiren gigas D) Manati stelleri
A) 1844 B) 1895 C) 1855 D) 1741
A) 2019 B) 2021 C) 2015 D) 2018
A) George Steller B) Elizabeth Porfirevna Orlova C) Charles Darwin D) Alexander von Humboldt
A) Eberhard von Zimmermann B) Anders Jahan Retzius C) Georg Wilhelm Steller D) Johann Karl Wilhelm Illiger |