Ecosystems Comparison Quiz

What is an estuary?

• A dry area with very little rainfall

• A place where freshwater from rivers mixes with saltwater from the ocean

• A large area covered with ice

• A deep freshwater lake

Which of the following is a characteristic of salt marshes?

• They are found in mountainous regions

• They are mostly dry and sandy

• They are coastal wetlands flooded and drained by salt water brought in by the tides

• They are typically found in cold environments

What is the largest ecosystem on Earth?

• Forests

• Deserts

• Oceans

• Mountains

Which ecosystem is characterized by standing freshwater bodies?

• Rivers

• Oceans

• Lakes and ponds

• Estuaries

Forests are important because they:

• Provide habitats for many animals and plants

• Have no impact on the environment

• Are mainly found underwater

• Are made up mostly of sand

Grasslands are ecosystems with:

• High mountains

• Large trees

• Wide open spaces covered mostly with grass

• Lots of snow

Which animals are typically found in estuaries?

• Camels

• Polar bears

• Crabs and fish

• Mountain goats

What is a common feature of lakes and ponds?

• Salty water

• Moving water

• Still water

• Frozen water all year round

Which type of forest is known for having trees that lose their leaves each autumn?

• Rainforests

• Deciduous forests

• Coniferous forests

• Mangrove forests

What type of climate is most common in grasslands?

• Tropical

• Temperate

• Arctic

• Desert