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Evolution

Question
CBSEENBI12003118
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The presence of diversity at the junction of territories to two different habitats is known as

  • bottleneck effect

  • edge effect

  • junction effect

  • Pasteur effect

Solution

B.

edge effect

Edge effect are changes in population or community structures that occur at the boundary of two or more habitats.

Bottleneck effect can be defined as the yearly or seasonal phenomenon in which size of a population is reduced severely. 

Pasteur effect is defined as the reduction in the amount of breakdown of respiratory substrate and evolution of carbon dioxide when an anaerobically respiring material is brought in oxygen containing environment.

Some More Questions From Evolution Chapter

Which group of organisms were responsible for appearance of free oxygen in the atmosphere of the primitive earth ?

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What is the type of evolution in which the same structure developed along different directions due to adaptations to different needs ?

Name the different eras of geologic time scale.

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Give the three key factors of the modern concept of evolution.

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