What Are Oceans
What percent of Earth does the ocean cover?
71%
What is the average temperature in the ocean?
68 degrees fahrenheit or 20 degrees celsius
Why can't seaweed be swept away by waves?
It sticks to rocks
What special organ do fish have that helps them breathe underwater?
Gills
They pollute the ocean
What is the largest ocean in the world?
Pacific
How does the water become colder?
Increasing Depth
What ocean plant can survive in changing environments?
Corals
Do just fish live in the water, or can mammals live in the water?
Mammals can live in the water
What is one reason some species of fish are endangered?
Overfishing
How many oceans are there?
5
Is there a dry season in the ocean?
No
What do horizontal leaves floating in the ocean do?
It exposes the leaf into the sun
How do fish swim underwater?
Fins
What big and dangerous wave forms in the ocean, which could destroy islands and cities?
Tsunami
What is the shallowest ocean in the world?
Arctic
Coastal Weather
What does the spongy tissue do in stems and leaves?
Helps the plant move oxygen from air to roots
How can crabs live underwater?
They have gills just like fish
How can pollution affect the ocean?
It kills lots of plants and animals
What is the most abundant salt in the ocean?
Sodium Chlorine
How are ocean climates caused?
Wind Patterns
What do some species of algae use to shade out other species?
Controlled Buoyancy
What two things do crabs use to protect themselves from predators?
Claws and Exoskeleton
What percent of the ocean has been affected by human impact?
40%