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1496
Puddles,ponds, rivers, lakes, seas and ocean are grouped together as
  • A. ecosystem
  • B. biosphere
  • C. terrestrial habitat
  • D. marine habitat
  • E. aquatic habitat
View Answer & Discuss WAEC 1991
1497
Which of the following would be the primary producer in a food chain?
  • A. Saprophytes
  • B. Herbivores
  • C. Carnivores
  • D. Green plants
  • E. Parasites
View Answer & Discuss WAEC 1991
1498
fewer number of trees is characteristic of the Savanna zones of Nigeria because
  • A. there is too much sunlight
  • B. there is limited amount of rainfall
  • C. they are usually exposed to grazing animals
  • D. they are covered by high mountains
  • E. the farmers always engage in bush-burning
View Answer & Discuss WAEC 1991
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1499
The number of individuals in a habitat in relation to the unit space available to each organism is referred to as the
  • A. birth rate
  • B. density
  • C. mortality
  • D. frequency
  • E. dispersion
View Answer & Discuss (1) WAEC 1991
1500
which of the following will be the effect of waterlogged top soil on the roots of plants?
  • A. the waterlogged soil will stimulate rapid growth of roots
  • B. there will be abundant supply of air for the growth of roots
  • C. The roots will absorb water i rapidly
  • D. There willl be an accumulation of plant nutrients
  • E. the roots will be starved of air
View Answer & Discuss (3) WAEC 1991
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