What kind of creatures live in the Southern Ocean under the ice?

• Polar bears and penguins

• Lions and tigers

• Elephants and giraffes

• Giant sea spiders and jellyfish

What is causing the oceans to become more acidic?

• More fish in the ocean

• Decreased sunlight

• Carbon dioxide from burning fossil fuels

• Increased salt levels

How does ocean acidification affect marine animals with shells?

• It makes their shells stronger

• It makes it harder for them to build their shells

• It makes them grow faster

• It makes them change color

What industry is worried about the effects of ocean acidification?

• The technology industry

• The seafood industry

• The fashion industry

• The automobile industry

What challenge do Antarctic sea urchins face due to climate change?

• Adapting to warmer and more acidic waters

• Escaping from predators

• Finding food in warmer waters

• Migrating to colder areas