Key Ideas Video: Archaea, Bacteria, and Ecosystems

What are the two kingdoms of bacteria mentioned in the video?

• Archaebacteria and Eubacteria

• Fungi and Protists

• Plants and Animals

• Viruses and Algae

Where do archaebacteria typically live?

• In the ocean

• In extreme environments

• In the desert

• In the rainforest

What is one role of archaebacteria in ecosystems?

• Absorbing sunlight

• Creating soil

• Fixing carbon

• Producing oxygen

Where can eubacteria be found?

• Only in water

• Only in soil

• Almost everywhere

• Only in animals

How do eubacteria help plants grow?

• By absorbing water

• By producing carbon dioxide

• By fixing nitrogen in the soil

• By providing sunlight