Chapter 9 Review

Marine reptiles are found primarily in:

• cold regions

• temperate regions

• tundra

• tropical habitats

The term ectotherm refers to:

• cold blooded (environment determines body temperature)

• warm blooded (maintain a stable internal body temperature)

Which of the following is not a marine reptile?

• alligators
• sea turtles
• sea snakes
• crocodiles

Sea birds are homeotherms meaning

• their internal temperature fluctuates with the temperature of their environment

• they maintain a stable internal temperature that stays in a narrow temperature range

Sea birds (and some pelagic fish) are endotherms meaning

• they lose their metabolic heat

• they retain their metabolic heat

What do sea birds do to maintain being "warm-blooded"?

• stay inactive to conserve energy

• eat a lot of food to gain a lot of energy

What do sea birds use to waterproof their feathers?

• wax

• salt

• oil

• mucus

Which does not have external ear flaps?

• seals
• sea lions
• fur seals

Tags

NGSS.MS-LS4-2

Which has external ear flaps?

• sea lions
• seals

What of these marine mammals lacks blubber?

• seals

• sea lions

• walruses

• sea otters