BIOLOGY

JAMB 2006 - Question 45

Biology 2006 JAMB Past Questions - Question 45: The species whose distribution is not affected by rainfall is

Choose the correct answers from the options given.
The species whose distribution is not affected by rainfall is
The species whose distribution is not affected by rainfall is
A:
B:
C:
D:
Examkits App

Examkit's JAMB CBT App

Practice JAMB offline with our Online, PC and Mobile App

  • ✅ 25+ years of past questions (2000 to 2025)
  • ✅ Video solutions and explanation to questions
  • ✅ E-library
  • ✅ Study by topic
  • ✅ And more.

Correct Answer

A

Explanation

A The number of organisms per kilometer squareis not affected. by increase in the amount of rainfall. Graph of Sp. Ishows that there is sharp increase in the number of organisms per kilometersquare as the amount of rainfall increases close to200mm rainfall. Thereafter, the increase becomes gradual. The graph of 3p. IIIshows that as the amount of rainfall increases, the" number . oforganisms/Km2 decreases: The graph of Sp. IV shows that there isgradual increase in the number of organisms/km2 as the rainfallincreases. At 300mm to about 350mm rainfall there is no increase (stationarygrowth). Thereafter the number decreases until it comes to zero at about 430mmrainfall.