Pinnipeds are a group of marine mammals that includes sea lions, seals, and walruses.
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15
What adaptations do marine mammals have for life in the water?
Many adaptations, e.g. a thick layer of fat (blubber), hydrodynamic shape, adapted limbs, special breathing and diving mechanisms...
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How are sea lions different from seals?
Sea lions have visible outer earlobes, and their hind limbs are mobile.
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20
What is echolocation?
Some marine mammals, such as dolphins and orcas, use echolocation to send sound waves into their surroundings and listen to their reflections to obtain informat
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How many species of dolphins are there?
Approximately 40.
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How do marine mammals reproduce?
They reproduce through sexual reproduction, where females give birth to live young and feed them with milk.
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Are pinnipeds carnivores, omnivores or herbivores?
Carnivores.
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15
How can be marine mammals further classified?
Cetaceans, pinnipeds, sirens, carnivores
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What do cetaceans include?
Dolphins and whales
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What is the largest species of dolphin?
Orca
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20
How long do pinnipeds live?
Depending on the species, between 20 and 40 years.
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20
What kind of marine mammal has only 10 individuals living in the wild as of 2023?