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Q 1/10
Score 0
Which process removes carbon dioxide from the atmosphere?
30
combustion
photosynthesis
respiration
decay
Q 2/10
Score 0
Why is decay an important process in ecosystems?
30
It is needed for animal excretion
It releases mineral ions into the soil
It removes carbon dioxide from the atmosphere
It removes oxygen from the atmosphere
10 questions
Q.
Which process removes carbon dioxide from the atmosphere?
1
30 sec
4.7.2.2
Q.
Why is decay an important process in ecosystems?
2
30 sec
4.7.2.2
Q.
Which of the following organisms is a producer?
3
30 sec
4.7.2.1
Q.
Which type of organisms break down dead animals and plants?
4
30 sec
4.7.2.1
Q.
What is the correct word equation for photosynthesis?
5
30 sec
4.4.1.1
Q.
Look at the food chain:
grass → grasshopper → frog → snake → hawk
Name the secondary consumer in this food chain.
6
30 sec
4.7.2.1
Q.
The table shows some processes involved in the water cycle. Which row shows the processes which introduce water to the atmosphere?
7
30 sec
4.7.2.2
Q.
The table shows some processes involved in the water cycle.
Which row shows the processes which introduce water to the atmosphere?
8
30 sec
4.7.2.2
Q.
The graph shows the changes in populations of wolves and moose over time on an island. Which statement describes what is happening at the point shown by the arrow on the graph?
9
30 sec
4.7.3.1
Q.
Over the last 200 years, the amount of carbon dioxide in the atmosphere has increased. Why?
