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What two things are compared when patterns of evolutionary relationships are constructed using molecular phylogenetic?
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How has molecular evidence affected our understanding of modern evolutionary theory?
It largely supports anatomical evidence and provides more detailed information for specific relationships
What are the sab-branches of evolutionary biology?
Molecular evolutionary biology, Population genetics, Genome studies of species, Fossil studies
What are molecule clocks?
Molecular Clocks- are models that use mutation rates to measure evolutionary time.
How does evolutionary biology molecular biology influence classification?
Molecular evidence can prove or disprove some fylogenetic relations between organisms that were previously based on morphologic aspects or ecologic aspects.
How does evolutionary biology unite ecoloy systematics ethology molecular biology population genetics and palentology?
The bottom line of all life is the DNA... Previously, we compared fossils and created evolutionary trees on the basis of structure and similarity. However, this can just be a co-incidence. Now we can compare molecular data, DNA and protein sequences and obtain the similarity and thereby predict, why our brothers in the evolutionary tree are different than us.
What evidence do scientists use to make phylogenetic trees?
Phylogenetic trees represent hypotheses about the evolutionary relationships among a group of organisms. A phylogenetic tree may be built using morphological (body shape), biochemical, behavioral, or molecular features of species or other groups.
What subset of DNA changes are analyzed by molecular biologists to determine evolutionary relationships?
Dna changes in important genes
How has molecular evidence affected our understanding of modern evolutionary theory?
It largely supports anatomical evidence and provides more detailed information for specific relationships
Which type of evidence for evolution is most accurate in determining evolutionary relationships-morphology or molecular?
You could never get any type of evidence to prove untrue things...
Which system used to classify organisms has changed over time?
The system used to classify organisms that has changed over time is the taxonomic classification system. This system groups organisms based on their shared characteristics and evolutionary relationships. As scientific knowledge has advanced and new evidence has been discovered, the classification of certain organisms has been revised to better reflect their genetic, anatomical, and ecological relationships.
What methods do scientists use to obtain data for phylogenetic trees?
Scientists use the fossil record and structural and molecular comparisons to construct phylogenetic trees. This answer came straight from my freshman Biology book.
What can lead scientist to change an evolutionary tree?
What can lead scientists to change an evolutionary tree?
What do molecular clocks use to measure evolutionary time?
mutation rates
WHY DOES echinodermata and chordata are under the same conventional and molecular phylogenetic trees?
They are both deuterostomes. ( look that word up; has to do with embryo development. )
What are the sab-branches of evolutionary biology?
Molecular evolutionary biology, Population genetics, Genome studies of species, Fossil studies
Species that are not closely related and that do not share many anatomical similarities can still be placed together on the same phylogenetic tree by comparing their?
Molecular genetics.
Evidence in evolution can be found in?
The fossil record, comparative anatomy, molecular genetic and molecular cell Biology, genetics, evolutionary development and evolutionary biology to name several disciplines with evidence for evolution and it's processes. Go here. talkorigins.org
