The biome characterized by a mean annual temperature between 0°C and 25°C and mean annual precipitation between 25 cm and 100 cm is:
1. Desert
2. Arctic and alpine tundra
3. Temperate forest
4. Grassland

Subtopic:  Introduction to Ecology | Introduction to the Chapter |
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The phenomenon of character displacement is seen in:
1. sympatric species
2. allopatric species
3. primary succession
4. secondary succession

Subtopic:  Introduction to Ecology |
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Identify the biome that is not correctly matched with the physical parameters given in corresponding Column II and Column III:

Biome

Mean annual temperature [OC]

Mean annual precipitation [cm]

1.

Tropical forest

20 – 25

130 – 430

2.

Arctic and alpine tundra

-12 – 2

10 – 125

3.

Coniferous forest

-5 –5

100 – 200

4.

Temperate forest

8 – 22

50 – 225

Subtopic:  Introduction to Ecology | Introduction to the Chapter |
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Which one of the following characteristics is not shared by birds and mammals? 
1. Warm blooded nature 

2. Ossified endoskeleton

3. Breathing using lungs

4. Viviparity

Subtopic:  Introduction to Ecology |
 63%
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Plants which produce characteristic Pneumatophores and show vivipary belong to 
1. Mesophytes
2. halophytes
3. Psammophytes
4. Hydrophytes

Subtopic:  Introduction to Ecology |
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In which one of the following habitats does the diurnal temperature of soil surface vary most?
1. Forest
2. Desert
3. Grassland
4. Shrub land

Subtopic:  Introduction to Ecology |
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A mean annual temperature of 20 to 250C and a mean annual precipitation of 150 to 410 cm are characteristics of the biome:
1. Tropical forest
2. Coniferous forest
3. Grassland
4. Temperate forest

Subtopic:  Introduction to Ecology |
 74%
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Ecotone is:

1. A polluted area

2. The bottom of a lake

3. A zone of transition between two communities

4. A zone of developing community

Subtopic:  Introduction to Ecology |
 85%
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