explain what is speciation ??
and also evolution and classification
1). tracing evolutionary relationship 2).fossils
3). evolutio by stages
Answers
Speciation formation of new and distinct species in the course of evolution
Organisms differ in their form, structure and mode of living. Hence, based on their similarities they should be grouped. The grouping of related organisms helps us in studying their evolutionary relationships. Classification is the division of organisms on the basis of characteristics into groups and sub-groups.
2)fossils help in tracing the organic evolution. ... Fossils help in establishing evolutionary traits among organisms and their ancestors. Fossils help in establishing the time period in which organisms lived. Fossils provide good evidence of the structure and lifestyle of animals
3)Evolution by stages is said because the process of evolution had took place over a long period of time.
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Evolution : sequence of gradual change take place in primitive organ over millions of years a news species is form is called evolution
Stages of fossile
1) Fossil tree trunk
2) Fossil invertebrate (ammonite)
3) Fossil invertebrate (Trilobite)
Fossil fish (knightia)
Fossil dinasoue skull(Raja saurus)