Oceans
Ecosystems
Marine Animals
Food Chains
Misc
100

The number of oceans on Earth.

Five

100

A unique environment that supports life

An ecosystem

100

Animal classification of a shark

Fish

100

Makes their own food using sunlight

Producers

100

The deepest part of the ocean

The Mariana Trench

200

The percentage of Earth covered by water

71%

Acceptable answer 70-75%

200

The largest coral reef in the world 

The Great barrier reef 

200

Animal classification of a whale

Mammal 

200

Eats Producers

Consumers

200

Number of hearts in an octopus

Three

300

The largest ocean

The Pacific Ocean

300

Threats to coral reefs

Pollution, over harvesting, rising ocean temperatures, etc

300

Animal classification of an octopus

invertebrate

300

Breaks down dead animals and plants

Decomposers

300

Layer of fat in marine mammals that help keep them warm and buoyant 

Blubber

400

The smallest ocean

Arctic Ocean

400

What country is the Great Barrier Reef located near

Australia

400

Animal classification of a turtle

Reptile 

400

An animal that is at the top of food chain

Orca, Walrus, Shark, etc.

400

Why is an oil spill dangerous to marine life

Disrupts ecosystem, can cause hypothermia, poisons food supply

500

Name the oceans

Pacific, Atlantic, Indian, Southern, Arctic

500

Name a marine ecosystem

Kelp forest, coral reef

500

Animal classification of a lobster 

Arthopoda

500

An animal that is at the bottom of a food chain

Shrimp, fish, krill, etc.

500

A continuous, predictable, and directional movement of ocean water. (A 'river' within the ocean)

Ocean current