Disappearing Kelp Along the California Coasts

What are the "roots" of kelp called?

• Holdfasts

• The stipe

• Blades

• Air Pockets

Bull kelp prefers ____ water, while giant kelp prefers _____ water.

• cooler ; warmer

• warmer ; cooler

• warmer ; warmer

• cooler; cooler

Where is bull kelp is most abundant?

• North of San Francisco

• South of San Francisco

• North of Alaska

• South of LA

Through photosynthesis, what does kelp emit?

• Oxygen

• Carbon Dioxide

• Nitrogen

• Carbon

Blue carbon ecosystems store ________?

• Carbon Dioxide

• Oxygen

• Nitrogen

• Sea shells

What emits carbon dioxide and plays a role in the breakdown of kelp forests?

• Fossil fuels

• Trees

• Kelp

• Carbon dioxide

Because of climate change, a massive heatwave occurred called __________?

• The Blob

• The Balloon

• The Bog

• The Bubble

A sea star disease majorly effected the sunflower sea star; what was it called?

(a)  

________ eat kelp and have exploded in population, leading to _______ barrens

• Sea urchins

• Sea otters

• Sea anemone

• Sea Snail

Around what percentage of kelp has died along the Northern American coast?

• 96%

• 71%

• 52%

• 6%