Marine mammals are a group of mammals that have adapted to life in the oceans and seas.
15
How can be marine mammals further classified?
Cetaceans, pinnipeds, sirens, carnivores
15
What is the largest species of marine mammals?
Blue whale
10
What kind of marine mammal has only 10 individuals living in the wild as of 2023?
Vaquita
20
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...
15
How do marine mammals reproduce?
They reproduce through sexual reproduction, where females give birth to live young and feed them with milk.
15
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
20
How are sea lions different from seals?
Sea lions have visible outer earlobes, and their hind limbs are mobile.
15
How many species of dolphins are there?
Approximately 40.
20
What is the largest species of dolphin?
Orca
15
How long do dolphins live?
Between 15 and 50 years, depending on the species
20
What are pinnipeds?
Pinnipeds are a group of marine mammals that includes sea lions, seals, and walruses.
15
Are pinnipeds carnivores, omnivores or herbivores?
Carnivores.
10
What kind of pinniped is the largest?
Walrus
15
How long do pinnipeds live?
Depending on the species, between 20 and 40 years.