All of the living AND non-living things in an area that interact with each other are called a/an __________.

• community
• habitat
• population
• ecosystem

In which of the following ecosystems can you find fertile, rich soil? 

• Grasslands
• Wetlands
• Oceans

Which of the following ecosystems helps prevent flooding and erosion of soil?

• Wetlands
• Grasslands
• Oceans

Which of the following ecosystems has temperature that stays the SAME top to bottom?

• Grasslands
• Forests
• Ponds and Lakes

Which part of the ocean receives the LEAST amount of sunlight?

• top
• middle
• bottome

Which of the following ecosystems has a variety of different animals and plants?

• Marshes
• Forests
• Oceans

Which of the following ecosystems is AQUATIC?

• Wetlands
• Oceans
• Forests

Which of the following ecosystems is TERRESTRIAL?

• Wetlands
• Oceans
• Lakes and Ponds

What does the term "terrestrial" mean?

• Water-based ecosystem
• Land-based ecosystem

What does the term "aquatic" mean?

• Water-based ecosystem
• Land-based ecosystem