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What are decomposers?
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1
|
2619
|
September 26, 2016
|
|
Indicate the flow of energy in an ecosystem. Why is it unidirectional ? Justify
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0
|
6502
|
September 26, 2016
|
|
We do not clean ponds or lakes, but an aquarium needs to be cleaned. Why?
|
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0
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2377
|
September 26, 2016
|
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Explain the role of decomposers in the environment?
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|
0
|
3791
|
September 26, 2016
|
|
Differentiate between biodegradable and non- biodegradable substances. Cite examples
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|
0
|
1044
|
September 26, 2016
|
|
Why are crop fields known as artificial ecosystems?
|
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0
|
1610
|
September 26, 2016
|
|
What are the advantages of cloth bags over plastic bags during shopping
|
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0
|
8396
|
September 26, 2016
|
|
Write the common food chain of a pond ecosystem
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|
0
|
3468
|
September 26, 2016
|
|
Why is improper disposal of waste a curse to environment?
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0
|
1218
|
September 26, 2016
|
|
What is ozone and how does it affect any ecosystem?
|
|
0
|
43131
|
September 26, 2016
|
|
Why food chains generally consist of three or four steps only?
|
|
0
|
12158
|
September 26, 2016
|
|
What is the role of decomposers in the ecosystem?
|
|
0
|
12804
|
September 26, 2016
|
|
What is environmental planning?
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|
1
|
2584
|
September 26, 2016
|
|
Energy is being transferred continuously in our ecosystem
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|
1
|
2173
|
September 26, 2016
|
|
State one important function of ozone layer in the atmosphere
|
|
1
|
5230
|
September 26, 2016
|
|
What is ecosystem ? List its two main components
|
|
1
|
7031
|
September 26, 2016
|
|
Differentiate between autotrophs, heterotrophs and decomposers
|
|
1
|
10748
|
September 26, 2016
|
|
State in brief two ways in which non- biodegradable substances would affect the environment
|
|
1
|
8809
|
September 26, 2016
|
|
What is an ecosystem ? List its two main components
|
|
0
|
1212
|
September 26, 2016
|
|
In the food chain:
|
|
1
|
682
|
September 26, 2016
|
|
Observe the food chain :
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|
1
|
1463
|
September 26, 2016
|
|
List two causes of depletion of ozone layer. Mention any two harmful effects of depletion of this layer
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|
0
|
8079
|
September 26, 2016
|
|
Give the two roles of decomposers in ecosystem
|
|
0
|
1586
|
September 26, 2016
|
|
What is the difference between the food habits of organisms belonging to second and fourth trophic levels?
|
|
1
|
4473
|
September 26, 2016
|
|
Mention the differences between food habits of organisms belonging to the first and third trophic level
|
|
1
|
4419
|
September 26, 2016
|
|
State the direction of flow of energy in food chain
|
|
1
|
2008
|
September 26, 2016
|
|
Draw the conclusion for if all the herbivores are removed from the grassland
|
|
0
|
3406
|
September 26, 2016
|
|
List two reasons to show that the existence in an ecosystem
|
|
0
|
445
|
September 26, 2016
|
|
Explain how decomposers help in recycling of materials in the ecosystem?
|
|
0
|
2363
|
September 26, 2016
|
|
What would happen if number of carnivores decreases in an ecosystem?
|
|
0
|
2530
|
September 26, 2016
|