Marine Mammals

What type of snout do porpoises have?

• Pointed snout

• Blunt snout

• Beak-like snout

• No distinct snout

What type of teeth do porpoises have?

• Sharp and pointed

• Blunt or flat

• Varied in size

• No teeth

Which suborder do baleen whales belong to according to the Order Cetacea?

• Odontoceti

• Mysticeti

• Architeuthis

• Delphinidae

What is a characteristic feature of baleen whales?

• Echolocation

• Fibrous plates of baleen to sieve prey items

• Blubber layer for insulation

• Ability to leap out of water

Which whale species are identified as the most critically endangered in the world?

• Gray whales

• North Atlantic right whales

• North Pacific right whales

• South Atlantic right whales

Tags

NGSS.MS-ESS3-4

What is the primary diet of polar bears?

• Fish

• Seals

• Berries

• Small rodents

Which of the following is NOT a use for blubber in a marine mammal?

• keep warm

• buoyancy

• food reserve

• attack prey

Baleen whales have two blow holes, but toothed whales only have one blow hole.

• True

• False

Tags

NGSS.MS-LS4-2

Seals and Sea Lions are examples of what type of mammals ___?

• Cetacean

• Carnivora

• Pinnipeds

• Sirenians

Tags

NGSS.MS-LS4-2

Manatees and Dugong feed on ____.

• humans

• fish

• small crustaceans

• sea grass