Aquatic Ecosystems Worksheet

Aquatic Ecosystems Exploration

Read each question carefully and answer to the best of your ability. Use complete sentences for short answer questions.

1. Which of the following is NOT a type of aquatic ecosystem?

2. What is the primary factor that distinguishes freshwater ecosystems from marine ecosystems?

1. All aquatic organisms can survive in both freshwater and saltwater environments.

2. Phytoplankton are important producers in aquatic food webs.

1. The largest aquatic ecosystem on Earth is the  .

2. Organisms that live at the bottom of a body of water are called   organisms.

1. Briefly explain the difference between a lentic and a lotic freshwater ecosystem.

2. Describe two important abiotic factors that influence life in an aquatic ecosystem.

Observe the diagram of a pond ecosystem below and answer the questions that follow.

1. Identify two producers visible in the pond ecosystem diagram.

2. Suggest one way human activity could negatively impact this pond ecosystem.