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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 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.
How does protein comparisons contribute to evolutionary theory?
Protein comparisons, ie. DNA comparisons contribute to evolutionary theory by separating organisms in the plant and animal kingdoms. They go so far as to even separate individuals from one another within the same species. AKA Genetic Code.
What kind of molecule comparisons are useful for determining species relatedness?
Molecule comparisons that are useful for determining species relatedness primarily include DNA and RNA sequences, as they provide genetic information that can be analyzed for similarities and differences. Protein sequences and structures can also be compared, as they reflect the underlying genetic code. Additionally, mitochondrial DNA and ribosomal RNA are commonly used for phylogenetic studies due to their rate of mutation and evolutionary significance. These molecular comparisons help construct evolutionary trees and assess the genetic divergence between species.
What term refers to such phenomenon of evolving different adaptive forms from ancestral species?
The term that refers to the phenomenon of evolving different adaptive forms from ancestral species is called divergent evolution. This occurs when two or more related species become increasingly different over time due to adapting to different environments or ecological niches.
Uses DNA comparisons to estimate the length of time that to species have been evolving independently?
Molecular Clock
A model that uses DNA comparisons to estimate the length of time that two species have been evolving independently is known as a?
molecular clock
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.
