Nekton warm up 1

Nekton include all of the following except

• Jellyfish

• Squid

• manatees

• whale sharks

All of the following are toothed whales except?

• Orca

• Sperm whale

• Bottlenose dolphin

• Blue Whales

________ are frequently caught as unintended bycatch in the tuna fishery in the eastern Tropical pacific.

• manatees

• porpoises

• humpback whales

• sharks

Seals can be distinguished from sea lions because seals lack . ..

• dorsal fins

• canine teeth

• external ears

• blubber

The worlds largest fish in the ...

• Basking shark

• great white shark

• whale shark

• blue whale

Because sea otters lack blubber, they must rely on their, _____ for warmth

• migratory pattersn

• dense fur

• speed and cunning

• tool making abilities

Walruses use their tusks primarily for...

• Defense from predators

• mobility and to climb out of the water

• challenging rival males

• mating

Sea snakes primarily inhabit . . .

• the Caribbean Sea

• Atlantic Ocean

• Indian Ocean

• All of the above

Marine animals

• breathe air

• are oviparous

• are poikilotherms

• all of the above

Which of the following is not a species of whale?

• Bottlenose dolphin

• humpback

• manatee

• bowhead