16 Questions
Which order do cetaceans belong to?
Artiodactyla
What is the meaning of the term 'Cetacea'?
Huge fish
How do cetaceans propel themselves through the water?
Up-and-down movement of their tail
What is a key characteristic of cetaceans?
Fully aquatic lifestyle
Where do the majority of cetaceans live?
Marine environments
What is a notable feature of cetaceans?
High intelligence
What is the role of the International Whaling Commission in relation to commercial whaling?
To regulate and enforce a halt to commercial whaling
What is the primary function of the bristles in baleen whales?
To filter small invertebrates from seawater
What is the main purpose of the throat pleats in rorqual family (balaenopterids)?
To expand their mouths to take in food and sieve out the water
Which parvorder of cetaceans includes species like the blue whale and the humpback whale?
Mysticeti or baleen whales
Why do most mysticetes prefer the food-rich colder waters of the Northern and Southern Hemispheres?
To feed on krill and other small invertebrates found in colder waters
What is the purpose of the teeth in toothed whales?
For catching fish, squid, or other marine invertebrates
What is one of the environmental hazards faced by cetaceans mentioned in the text?
Underwater noise pollution
Which cetacean species is considered to be functionally extinct due to human activity?
(or Chinese river dolphin) Baiji
What are the two parvorders of cetaceans mentioned in the text?
(Mysticeti) and (Odontoceti)
What is the relation between cetaceans and even-toed ungulates according to genetic and fossil evidence?
They are most closely related to hippos within the clade Whippomorpha
Test your knowledge about cetaceans, the infraorder of aquatic mammals that includes whales, dolphins, and porpoises. Learn about their fully aquatic lifestyle, streamlined body shape, and exclusively carnivorous diet.
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