Podcast
Questions and Answers
What percentage of the total landmass do plants cover?
What percentage of the total landmass do plants cover?
- 20%
- 50%
- 40%
- 30% (correct)
What is the main source for balancing the oxygen level in the atmosphere?
What is the main source for balancing the oxygen level in the atmosphere?
- Plants (correct)
- Fungi
- Animals
- Bacteria
Which type of plants do not have roots?
Which type of plants do not have roots?
- Mosses and liverworts (correct)
- Ferns and conifers
- Flowering plants
- Algae and lichens
What is the main function of roots?
What is the main function of roots?
What percentage of the plant’s productivity do plants account for?
What percentage of the plant’s productivity do plants account for?