Cause of struggle for existence among animals is:

Organic Evolution Theories Mcqs
BILAL KHATTAK0

A.That excessive reproduction leads to increase in number
B.That there is less availability of food to organisms
C.That there is lack of spaces for living
D.Due to all of these reasons

Related Mcqs:

  1. Lamarckism envisages that the:
  2. Which of the following facts Darwin and Wallace deduced from the observed fact Struggle for existence, variations and their transmission:
  3. Many wild plant and animals are on the verge of extinction due to ____________.
  4. If a population of organisms is introduced into a new territory where environmental conditions are favourable to it, the population grows rapidly because of:
  5. In a population, unrestricted reproductive capacity is called as __________?
  6. Intestine in human body is about 29 feet long because:
  7. One of the criticism to Darwinism was that it could not give satisfactory explanation for one of the following points:
  8. Terrestrial animals like kangaroo rat survive even without drinking water since__________??
  9. If the discharge pressure of a refrigeration compressor is too high it shows
  10. The bacteria which attack the dead animals are:

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