Energy Flow in Ecosystems Part 3

Energy Flow in Ecosystems Part 3

Freshwater Ecosystems

Learning Objective:

• We will describe food webs within freshwater ecosystems.

Fill in the Blank

What is the main difference between marine and freshwater ecosystems?

Multiple Select

What are two examples of freshwater ecosystems?

• A swimming pool.

• A pond.

• A river.

• An estuary.

• A gulf.

Energy Pyramid

What do you notice?

Multiple Choice

As you go up the pyramid, do organisms loose more or less energy?

• More.

• Less.

Open Ended

Brainstorm: Why do you think freshwater ecosystems have larger producers like plants instead of just phytoplankton like algae?

Freshwater Food Web

What do you notice?

Multiple Select

What are the apex predators in this freshwater ecosystem?

• Birds.

• People.

• Snails.

• Largemouth Bass.

• Damselflies.

Open Ended

Brainstorm: What kind of affect do you think people have on freshwater ecosystems?

Poll

Have you ever visited a freshwater ecosystem?

• Yes.

• No.

• Yes, and I want to again!

• No. but I want to visit one!

Poll

What type of freshwater ecosystem would you like to visit?

• A river.

• A pond.

• A lake.

• A water treatment facility.

Open Ended

How can I make this lesson better? Use complete sentences with capitalization, correct spelling, and punctuation.

Don't Forget Your Homework!

Come to Small Groups when you can!