Sci-Five | The Hindu Science Quiz: on marine mammals

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. Marine mammals are mammals that live most or all of their lives in or very near the ocean. Which of the following groups is NOT classified as marine mammals?

Pinnipeds

Marine mammals are classified into four different taxonomic groups: cetaceans, pinnipeds, sirenians, and marine fissipeds.

Sirenians

Marine mammals are classified into four different taxonomic groups: cetaceans, pinnipeds, sirenians, and marine fissipeds.

Fissipeds

Marine mammals are classified into four different taxonomic groups: cetaceans, pinnipeds, sirenians, and marine fissipeds.

Crustaceans

Marine mammals are classified into four different taxonomic groups: cetaceans, pinnipeds, sirenians, and marine fissipeds.

. This taxonomic group is classified as a marine mammal. But they spend most of their time on land. Name the group.

Marine fissipeds

Marine fissipeds spend only part of the time in the water, mainly to hunt for their food.

Cetaceans

Marine fissipeds spend only part of the time in the water, mainly to hunt for their food.

Pinnipeds

Marine fissipeds spend only part of the time in the water, mainly to hunt for their food.

Sirenians

Marine fissipeds spend only part of the time in the water, mainly to hunt for their food.

. Pinnipeds are carnivores, which use flippers to move both on land and in the water. What does pinniped mean?

Wing-footed

Pinnipeds are in the suborder pinnipedia, which means “fin-footed”.

Strong-footed

Pinnipeds are in the suborder pinnipedia, which means “fin-footed”.

Fin-footed

Pinnipeds are in the suborder pinnipedia, which means “fin-footed”.

Flow-footed

Pinnipeds are in the suborder pinnipedia, which means “fin-footed”.

. Which of the following marine mammals is a cetacean?

Manatees

Cetaceans (whales, porpoises, and dolphins) are categorised into two main groups: baleen whales (mysticetes) and toothed whales (odontocetes).

Porpoises

Cetaceans (whales, porpoises, and dolphins) are categorised into two main groups: baleen whales (mysticetes) and toothed whales (odontocetes).

Walruses

Cetaceans (whales, porpoises, and dolphins) are categorised into two main groups: baleen whales (mysticetes) and toothed whales (odontocetes).

Dugongs

Cetaceans (whales, porpoises, and dolphins) are categorised into two main groups: baleen whales (mysticetes) and toothed whales (odontocetes).

. Which is the only entirely herbivorous group of marine mammals?

Pinnipeds

Sirenians are named for sirens, the legendary Greek sea beauties who lured sailors into the sea. Some think historic mermaid sightings were actually sirenians, not the mythical half women, half fish.

Sirenians

Sirenians are named for sirens, the legendary Greek sea beauties who lured sailors into the sea. Some think historic mermaid sightings were actually sirenians, not the mythical half women, half fish.

Fissipeds

Sirenians are named for sirens, the legendary Greek sea beauties who lured sailors into the sea. Some think historic mermaid sightings were actually sirenians, not the mythical half women, half fish.

Cetaceans

Sirenians are named for sirens, the legendary Greek sea beauties who lured sailors into the sea. Some think historic mermaid sightings were actually sirenians, not the mythical half women, half fish.

Source: National Oceanic and Atmospheric Administration