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A model known as a what uses DNA comparisons to estimate the length of time that species have been evolving independently?
Charmayne13
molecular clock
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∙ 14y ago
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What term refers to such phenomenon of evolving different adaptive forms from ancestral species?
This is a derived adaption.
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.
How long must a species have existed to be an index fossil?
The length of time is not as critical as the traits of being widespread, rapidly evolving, and observable only during a specific period of time.
How many identified species of bacteria are there?
4000 species known, but over 3million presumed to be living on the earth 4000 species known, but over 3million presumed to be living on the earth
Discuss the importance of genetic duplication in chordate evolution?
The importance of genetic duplication in chordate evolution is that it eliminates the possibility of extinction. This is by generation of new cells which will keep evolving to preserve the species.
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
Comparison of DNA to determine how long different species have been evolving independently can be done using?
molecular clocks
What is happening to species over time?
They are evolving
What do biologists use to establish whether or not two organisms are of the same species?
Comparisons of appearance, comparisons of structure, and comparisons of DNA and proteins.
What comes first an egg or chicken?
The egg came first. It is believed that a genetic mutation in a prehistoric bird laid an egg with a slightly different genetic makeup, which eventually lead to the evolution of the modern chicken.
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.
Species rapidly evolving due to changes in a few genes?
Equilbrium bro
What is interspeciation?
Interspeciation is the process of new species evolving from species that are already in existence. An example of this would be the new designer dogs.
