The decomposed animals and plants are absorbed in tropical rainforest by the

  • buttress root system
  • dormant root system
  • shallow root system
  • deep root system

Considering the distribution on equator, the tropical rainforests are located within

  • 30° north and south
  • 28° north and south
  • 23.5° north and south
  • 33.5° north and south

The location of temperate grasslands on the equator is

  • 25° north and 40° south
  • 35° north and 55° south
  • 20° north and 50° south
  • 10° north and 30° south

The commonly found plants in the canopy layer of rainforest are

  • walnut and oak
  • birch and maple
  • epiphytes and lianas
  • beech and oak

Considering the biomes, the regions where grass is dominate type of vegetation is called

  • forest biome
  • grassland biome
  • polar biome
  • desert biome

The layer of soil in coniferous forests is usually

  • thin
  • thick
  • moderate
  • none of the above

The location of tropical grasslands on locator is

  • 10° north and 30° south
  • 15° north and 45° south
  • 5° north and 30° south
  • 20° north and 33° south

The height of trees in shrub layer of deciduous forests is up to

  • 8 meters
  • 12 meters
  • 10 meters
  • 5 meters

Considering the Earth's biomes, the most fertile type of soil is available in

  • temperate grasslands
  • tropical monsoon forests
  • temperate deciduous forests
  • tropical rainforests

The location of coniferous forests on the equator is

  • 50° and 70° north
  • 60° and 70° north
  • 70° and 70° north
  • 40° and 40° north

The temperatures are high round the year in

  • coniferous forests
  • tropical grasslands
  • temperate grasslands
  • hot desert vegetation

The percentage of forests found in Africa is

  • 19%
  • 25%
  • 32%
  • 41%

The structure of temperate deciduous forests is

  • five-layered
  • three-layered
  • two-layered
  • four-layered

The effect of wet season on plants in Savannas is that the

  • grasses flourish
  • grasses become parched
  • reduction of moisture
  • grasses become frozen

The regions Amazon Basin and Congo Basin are found with

  • tropical monsoon forests
  • tropical rainforests
  • coniferous rainforests
  • temperate deciduous forests

The daytime temperature of hot desert vegetation is

  • 32 °C
  • 40 °C
  • 48 °C
  • 38 °C

The regions in which tropical grasslands are found includes

  • southern parts of Malaysia and Indonesia
  • northern parts of Brazil and Africa
  • northern parts of Brazil and Venezuela
  • southern parts of Brazil and Venezuela

The distinct layers of rainforests that are marked by the trees of different heights includes

  • undergrowth layer
  • emergent layer
  • canopy layer
  • all of above

The natural vegetation depends on

  • duration of sunlight
  • amount of sunlight
  • amount of hail
  • both a and B

The number of species found in coniferous forests rarely exceeds

  • four per square kilometer
  • three per square kilometer
  • two per square kilometer
  • five per square kilometer
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