Wonder #2875: What Are Phytoplankton?

Question 1 of 3

The word plankton come from this Greek word, meaning “drifter”

1. phytos
2. synthesis
3. planktos
4. zoos

Question 2 of 3

How far back in time do scientists trace the existence of plankton?

1. 2.4 billion years
2. 24 billion years
3. 24,000 years
4. 2,400 years

Question 3 of 3

How do phytoplankton help curb climate change?

1. by removing carbon from the atmosphere
2. by adding carbon to the atmosphere
3. by adding oxygen to the atmosphere
4. by removing oxygen from the atmosphere

Check your answers online at https://wonderopolis.org/index.php/wonder/What-Are-Phytoplankton.