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2386
Which of the following is not essential in the studying of the ecological factors that directly affect plants?
  • A. wind
  • B. temperature
  • C. herbivores
  • D. carnivores
View Answer & Discuss WAEC 2004
2387
Conservation of soil fertility employs crop rotation because
  • A. crops are allowed to grow at their own rates
  • B. it encourages the healthy growth of plants
  • C. it allows utilization of soil nutrients at different levels
  • D. different crops grow at the same time
View Answer & Discuss WAEC 2004
2388
Which of the following are consumers in these food chains?
  • A. maize and rabbits
  • B. chicken, rats and maize
  • C. eagle, maize and snakes
  • D. humans, eagle and snakes
View Answer & Discuss WAEC 2004
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2389
An importance of food web is that living organisms
  • A. use web to collect food
  • B. can live on their own
  • C. have to form a web
  • D. depend on one another for their existence
View Answer & Discuss (1) WAEC 2004
2390

The continuity of an ecosystem depends on constant flow
of energy and circulation of matter. However,
the amount of energy passed on from decomposers to
producers should be

  • A. great
  • B. small
  • C. reversible
  • D. zero
View Answer & Discuss (4) WAEC 2004
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