4. The process essential for multiplication of species
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Answers
Answer:
Multiplication of species through time is a logical corollary to Darwin’s theory of common descent. A branch point on the evolutionary tree means that an ancestral species has split into two different ones. Darwin’s theory postulates that genetic variation present within a species, especially variation that occurs between geographically separated populations, provides the material from which new species are produced. Because evolution is a branching process, the total number of species produced by evolution increases through time, although most of these species eventually become extinct. A major challenge for evolutionists is to discover the process by which an ancestral species “branches” to form two or more descendant species.
Explanation:
another name for egg laying animals