Water Ecosystems

What are the two kinds of water ecosystems? Check all that are true.

• Freshwater

• Shallow

• Saltwater

• Deep

What are two ways freshwater and saltwater ecosystems are different? Check two choices.

• saltwater ecosystems are usually larger than freshwater ecosystems.

• Freshwater ecosystems do not have fish but saltwater ecosystems do.

• Saltwater ecosystems have salt water and freshwater ecosystems have fresh water.

• Saltwater ecosystems are warmer than freshwater ecosystems.

In a pond, where do most of the animals live?

• in the mud

• in deep water

• in the coral reef

• in shallow water

Which zone of the ocean gets the least amount of sunlight?

• the ocean floor, the deepest part

• The surface of the water

• the kelp forest

• shallow water

Which is NOT a freshwater ecosystem?

• lake

• pond

• tide pool

• river

What would happen to the animals and plants in a saltwater ecosystem if it was flooded by freshwater?

• they would either die or need to leave the area, only a few might survive.

• There would be no difference.

• There would be more fish.

• The plants would grow bigger.