Ecosystems Quiz

Which ecosystem is home to the most biodiversity on Earth?

• Tundra

• Rainforest

• Desert

• Grassland

What is the major challenge for plants and animals living in the desert?

• Too much rain

• Extreme heat and lack of water

• Freezing temperatures year-round

• High population of predators

Which ecosystem is known for this frozen ground called permafrost?

• Grassland

• Rainforest

• Tundra

• Ocean

What type of vegetation is most common in grasslands?

• Tall trees

• Cacti and succulents

• Grasses and small shrubs

• Kelp and seaweed

Which ocean zone receives the most sunlight, supporting the growth of phytoplankton?

• Midnight zone

• Twilight zone

• Sunlit zone

• Abyssal Zone

Describe two adaptations animals might have to survive the tundra.

Why are rainforest often called the "lungs of the planet"?

Explain to the best of your ability why grasslands are ideal habitats for large herbivores like bison or wildebeest.

What are coral reefs, and why are they important to ocean ecosystems?

How do desert plants like cacti store water to survive long periods without rain?