Aquatic Ecosystems and Weather Quiz

What is the primary source of energy in most aquatic ecosystems?

• Sunlight

• Nutrients

• Water

• Oxygen

Which of the following is a freshwater ecosystem?

• Ocean

• River

• Coral Reef

• Estuary

What type of organism is at the base of the aquatic food web?

• Fish

• Phytoplankton

• Zooplankton

• Sharks

Which factor does NOT affect aquatic ecosystems?

• Light availability

• Temperature

• Salinity

• Altitude

Coral reefs are known for their biodiversity. They are often referred to as:

• The lungs of the ocean

• The rainforest of the sea

• The deserts of the ocean

• The plains of the sea

In a food chain, herbivores are known as:

• Primary producers

• Primary consumers

• Secondary consumers

• Decomposers

Which of the following is a decomposer?

• Grass

• Lion

• Mushroom

• Hawk

What is transferred from one organism to another in a food chain?

• DNA

• Energy

• Carbon Dioxide

• Nutrients

Which of the following best represents a food chain?

• Grass > Rabbit > Fox > Eagle

• Sun > Eagle > Rabbit > Grass

• Fox > Rabbit > Grass > Sun

• Rabbit > Grass > Sun > Fox

What happens to energy as it moves up the food chain?

• It increases

• It decreases

• It stays the same

• It disappears