Cetacea

Substance in expensive perfumes comes from

• spermaceti

• blubber

• ambergris

The largest whales feed by means of

• parasitism

• predation

• baleen

• teeth

Odontocetes feed mainly on

• fish

• krill

• squid

• both fish and squid

Candles and cosmetics are made from

• blubber

• baleen

• spermaceti

• ambergris

The group of whales with one asymetrical breathing passage

• Odontoceti

• Mysticeti

Dolphins feed their young....

• squid

• fish

• krill

• milk

Whales with the best echolocation

• Odontocetes

• Blue whales

• Mysticetes

Primary food of Mysticeti

• fish

• krill

• squid

• fish and squid

The head of a sperm whale is used for

• candles and perfumes

• buoyancy and waxes

• echolocation and perfumes

• echolocation and buoyancy

The cetaceans which form the closest social bonds are

• Odontocetes

• Mysticetes

• both are equally close

• neither form social bonds