The document contains questions from an online test about ecosystems and food webs. Question 1 asks which organisms in a pyramid of biomass diagram are carnivores. Question 2 asks which process removes carbon dioxide from the atmosphere. Question 3 refers to a food web diagram. Question 4 shows a graph of biomass changes over 12 months and asks which line represents herbivores. Question 5 asks about processes related to organisms gaining carbon compounds and adding carbon dioxide to the atmosphere.

1. REALTIME ONLINE TEST 2

2. 1. The diagram shows a pyramid of biomass for all organisms in an
ecosystem.
Which organisms are carnivores?
A- P and Q B- P and R C- Q and R D- R and S

3. Multiple Choice Submissions
Details can be found in the Notes section below

4. 2. Which process removes carbon dioxide
from the atmosphere?

5. Multiple Choice Submissions
Details can be found in the Notes section below

6. 3. The diagram shows
a food web.

7. Multiple Choice Submissions
Details can be found in the Notes section below

8. 4. The graph shows changes in biomass of different organisms
in an ecosystem over a 12 month period.
- Each line represents a different trophic level.
- Which line represents the herbivores?

9. Multiple Choice Submissions
Details can be found in the Notes section below

10. 5. Which processes result in organisms gaining
carbon compounds, and in the addition of carbon
dioxide to the atmosphere?

11. Multiple Choice Submissions
Details can be found in the Notes section below