1) A) What is microevolution and how would you contrast microevolution with macr

Question

1)

A) What is microevolution and how would you contrast microevolution with macroevolution?

B) •What does it mean to say, “individuals are selected, but populations evolve”?

C) •What is the smallest unit of evolution? What is a population? What is the modern synthesis? How has it contributed to our understanding of evolution?

d): Genetic variation makes evolution possible. •Why is genetic variation so important to evolution?

E) Explain how mutations are the ultimate source of new alleles. •How does sexual recombination produce variation?

Explanation / Answer

Answer:

Microevolution explains about the short periods changes (evolutionary) within a small group of organisms. The change in gene frequency is observed in short period. for example: Increase in resistance to pesticides takes place in next generation of crop pests.

   Microevolution Macroevolution Organisms survive in environment due to inheritance of favourable characters. Diversity of organisms is observed through geological time scales Mutations and selection takes place Speciation and Extinction takes place Change in allele pattern in gene takes place Wide range of evolutionary changes takes place Changes occur at gene level Changes occur at species level Many new species evolves due to microevolution Formation of new species take long time. Fossils record shows changes for long period

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