Study Jams: Aquatic Ecosystems

Why can't saltwater fish live in a freshwater tank?

• They need warmer water.

• They don't like other fish.

• They require saltwater to survive.

• They need more space.

The main difference between aquatic ecosystems is ______.

What is the main difference between freshwater and saltwater ecosystems?

• The size of the fish.

• The salt content in the water.

• The amount of sunlight.

• The color of the water.

Which of these organisms is commonly found in freshwater ecosystems?

• Whales

• Sharks

• Crabs

• Snails

What makes the open ocean lower region different?

What is the intertidal zone?

• The area with the most sunlight.

• The middle of the ocean.

• The area where the tide comes in and out.

• The deepest part of the ocean.

What are benthos?

• Fish that swim in the middle of the ocean.

• Organisms that float on water.

• Bottom dwellers in the ocean.

• Plants that grow in water.