Ocean Ecosystems Quiz

What percentage of Earth's surface is covered by ocean waters?

• 90%

• 70%

• 50%

• 30%

Answer explanation

70% of Earth's surface is covered by ocean waters, making it the correct choice.

Which animal is larger than the humpback whale in the ocean?

• Shark

• Dolphin

• Octopus

• Blue Whale

Answer explanation

The Blue Whale is larger than the humpback whale in the ocean, making it the correct choice among the options provided.

What are coral reefs home to?

• Fish and Seaweed

• Seals and Penguins

• Sharks and Whales

• Corals and Ocean Life

Answer explanation

Coral reefs are home to corals and a diverse range of ocean life, making them important ecosystems for marine biodiversity.

What force shapes landforms along the coast?

• Rainfall

• Wind

• Ocean Currents

• Earthquakes

Answer explanation

Ocean Currents shape landforms along the coast by eroding, transporting, and depositing sediment, leading to the formation of features like beaches, cliffs, and sandbars.

What process results in the formation of sandy islands and beaches?

• Tectonic Plates Movement

• Volcanic Activity

• Deposition

• Erosion

Answer explanation

Deposition is the process that results in the formation of sandy islands and beaches by depositing sediments carried by water or wind, gradually building up landmasses over time.