Marine Mammals
Marine Biology
Bay Area Waterways
Conservation & Human Impact
Marine Mammal Behavior
100

The largest marine mammal.

What is a Blue Whale?


100

Tiny ocean plant that produces much of the world's oxygen. 

What is Phytoplankton?

100

The body of water that separates San Francisco from Marin County.

What is the San Francisco Bay?


100

Trash in the ocean that can harm marine life.

What is Plastic / Marine Debris? 

100

This sound-producing behavior helps dolphins “see” underwater.

What is echolocation?

200

A marine mammal known for its echolocation.

What is a Dolphin?

200

Term for animals that eat both plants and other animals. 

What is an Omnivore? 

200

This river flows into San Francisco Bay from the East.

What is the Sacramento River? 

200

This organization rescues and rehabilitates marine mammals in California.

What is the Marin Marine Mammal Center?

200

Seals often do this on land to warm up and rest.

What is basking or hauling out?

300

Something sea lions have that seals do not. 

What are external ear flaps? What is walking on land with flippers?

300

Predator that has 8 arms and can change colour to camouflage. 

What is an Octopus? 

300

The location where freshwater mixes with ocean water in the Bay.

What is an Estuary? 

300

Oil spills can coat oil on this part of birds, affecting their ability to fly.

What are feathers / fur / wings?

300

Humpback whales use these when hunting schools of fish in groups.

What are bubble nets?


400

Whale famous for singing its complex songs. 

What is a Humpback Whale?

400

Coral reefs are made from the skeletons of these tiny animals. 

What are Coral polyps?

400

The small bay in Oakland known for its shipping and wildlife.

What is the Oakland Inner Harbor?

400

The practice of catching too many fish that threatens ocean ecosystems.

What is Overfishing?

400

Otters hold hands while they sleep to prevent this.

What is drifting apart? / separation?

500

Marine mammal that has a long tusk and lives in cold Arctic Waters. 

What is a Walrus? 

500

This process moves nutrients and oxygen through ocean layers.

What is Upwelling?

500

Endangered fish that migrates between the Sacramento River and the Bay.

What is the Steelhead Trout and/or the Chinook Salmon? 

500

Climate change is warming oceans, causing this event that kills coral. 

What is Coral bleaching? 

500

This is when whales or dolphins jump fully out of the water.

What is breaching?

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