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Explain the tropical biome.


Forests biomes are-Tropical, Temperate and Boreal.

Characteristics of Tropical Forests : These are of two types Tropical Rainforests.

Tropical Rainforests : Tropical Deciduous Forests.

1. Tropical Rainforests are found near the equator (10° N and S).

2. The temperature is 20°C to 25°C and the rainfall is about 200 cm.

3. Trees are usually large and tall and make canopy.

Tropical Deciduous Forest:

1. Tropical deciduous forests occur 10°-25°N and S. Latitudes.

2. Rainfall is about 100 cm.

3. Trees are of medium height

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Make a comparison between desert and Savanna biomes.

Deserts are sub divided into four types- Hot and Dry desert, Semi arid desert, Coastal desert and Cold desert. Deserts are rich in nutrients with little or no organic matter. This biome supports few large mammals, insects reptiles and birds, rabbits, rats, ante lopes and ground squirrels.


Savanna are characterized by coarse grass and scattered trees on the margins of the tropics where rainfall is seasonal and wet seasons alternate with dry season. This biome supports the greatest variety of animals, such as zebra, giraffe, elephant, etc.
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Mention the important characteristics of any three forest biomes of the world.

The characteristics are mentioned below: 

a. Characteristics of Tropical Forests: There are of two types Tropical Rainforests.

i. Tropical Rainforests: 

1. Tropical Rainforests are found near the equator (10° N and S).

2. The temperature is 20°C to 25°C and the rainfall is about 200 cm.

3. Trees are usually large and tall and make canopy.

ii. Tropical Deciduous Forest:

1. Tropical deciduous forests occur 10°-25°N and S. Latitudes.

2. Rainfall is about 100 cm.

3. Trees are of medium height.

b. Characteristics of Temperate forests :

1. These are found in North America, north eastern Asia and western and central Europe.

2. Annual range of temperate is -30° to 30°C.

3. Rainfall is about 75 cm to 150cm.

4. Trees have normally broad-leaves

c. Characteristics of Boreal forests:

1. These are found between 50°-60° latitude in Northern Hemisphere.

2. Temperatures are usually very low.

3. The precipitation is in the form of snow.

4. These are also called taiga forests.

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Plants which occur in distinct groups of communities in areas having similar climatic conditions constitute:
  • Biomes
  • Trophies
  • Ecosystem
  • None

A.

Biomes
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Forests having trees which retain their leaves’ cover throughout the year are called :
  • Evergreen forests
  • Deciduous forests
  • Tropical dry forests
  • None

A.

Evergreen forests
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