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Uses DNA comparisons to estimate the length of time that to species have been evolving independently?
Molecular Clock
A model known as a what uses DNA comparisons to estimate the length of time that species have been evolving independently?
A molecular clock model uses DNA comparisons to estimate the length of time that species have been evolving independently. This model assumes that DNA sequences accumulate mutations at a relatively constant rate over time, allowing researchers to infer divergence time between species based on the number of differences in their DNA sequences.
Type of clock that estimates how long species have been evolving independently?
Molecular Clock
What is used estimate the length of time what two species have been evolving independently?
The length of time that two species have been evolving independently can be estimated using molecular clock analysis. This method involves comparing the genetic differences between the two species and using mutation rates to calculate the approximate time since their last common ancestor. By studying the accumulation of genetic changes over time, scientists can infer the evolutionary history and divergence of species.
Comparison of DNA to determine how long different species have been evolving independently can be done using?
molecular clocks
What problems are faced by taxonomists who rely on body-structure comparisons?
Convergent evolution can lead to quite different organisms evolving similar body structures. This makes it difficult for taxonomists to decide how the organisms should be classified.
What is happening to species over time?
They are evolving
Which term best describes the result of a new species evolving from an existing species?
Extinction
What is The process of two species evolving together because of interdependence?
Symbiosis
What can you learn by comparing the fossillized skeletons of extinct primates with the bones of modern species?
You can learn how these species have been evolving.
What features do unrelated species that develop similar traits in different parts of the world demonstrate?
Unrelated species developing similar traits in different parts of the world demonstrate convergent evolution. This phenomenon occurs when different species adapt to similar environmental pressures, resulting in analogous traits evolving independently. Convergent evolution highlights the power of natural selection in shaping organisms to fit specific niches.
What do biologists use to establish whether or not two organisms are of the same species?
Biologists might use a combination of morphological characteristics, genetic analysis, behavior observations, and reproductive compatibility to determine if two organisms are of the same species. These methods help provide a comprehensive understanding of the relationship between different organisms and the boundaries of a species.
