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several generations
What else can I help you with?
How long it takes for speciation to occur?
several generations
True or false scientists believe that all speciation takes place gradually over a very long period of time?
False. Scientists recognize that speciation can occur gradually over long periods of time (allopatric speciation) or more rapidly through processes like genetic drift, natural selection, and hybridization (sympatric speciation). The pace of speciation can vary depending on environmental conditions and other factors.
Speciation caused by change in the course of a river is an example pf divergent speciation?
Allopatric speciation.
Slow change over time in a species is a way to define?
It is called speciation. Speciation can happen through adaptation, which is a change in an organisms genetic code. If adaptation has gone on long enough so that the two organisms can no longer produce offspring, then speciation has occurred.
Types of Speciation?
sympatric , allopatric and parapatric speciation
What best describes how long it usually takes for speciation to occur?
Speciation can occur over variable timeframes depending on factors like genetic isolation, selective pressures, and population size. It can range from thousands to millions of years, with some rapid speciation events documented in certain circumstances.
Complete reproduction isolation is evidence that what has occurred?
speciation
What is necessary for speciation to occur?
Isolation Is necessary for speciation to occur.
Why does polyploidy not cause speciation or even be associated with speciation?
Actually it is.
Home of the independent response to separation?
if you are referring to the the worksheet the evolution of living things from the textbook holt science and technology, the answer is speciation
What are two pieces of evidence indicating that speciation does not always occur at the same rate?
Fossil record: Different species show varying rates of appearance and disappearance in the fossil record, indicating that speciation rates can differ. Genetic studies: DNA analysis has revealed that some species undergo rapid speciation events, while others may remain relatively unchanged for long periods, highlighting the variation in speciation rates.
Which type of speciation occurred among galapagos islands finches?
allopatric speciation
