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Scientists use the fossil record and structural and molecular comparisons to construct phylogenetic trees.

This answer came straight from my freshman Biology book.

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Q: What methods do scientists use to obtain data for phylogenetic trees?
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How are fossils dated and how does this relate to phylogenetic trees?

There are many different methods of dating fossils including their geological stratum and carbon dating. Phylogenetic trees are dated by their geological stratum because they have something called the COI gene that shows they have roots from a long time ago.


Name a tool used by systematic taxonomists?

Key.


Can phylogenetic trees ever change?

Yes, they change as we learn more about the organism.


What is the usefulness for phylogenetic trees?

The phylogenetic tree is used for the study of evolutionary Biology. The phylogenetic tree is a symbolic diagram that is meant to represent the similarity and differences of different species for comparison with common evolutionary relatives.


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.


When did the dust bowl stop?

In 1935 scientists strategically placed trees in spots on the Great Plains. These trees helped reduce the wind and promote new scientific methods of farming.


Why do phylogenetic trees provide evidence of evolution?

With the nested hierarchy of phylogenetic trees in front of you, showing in general relief the biochemical, physiological, behavioral relatedness extended from the forked nodes, and going along through time one sees evolution in action. Change over time.


What tree is a model developed by scientist and used to illustrate relationships between animal phyla?

The tree you are referring to is called a phylogenetic tree. It is developed by scientists to show the evolutionary relationships between different animal phyla based on their shared characteristics and genetic information. These trees help to understand the evolutionary history and relatedness of different organisms.


Why do phylogenetic trees provide strong evidence of evolution?

With the nested hierarchy of phylogenetic trees in front of you, showing in general relief the biochemical, physiological, behavioral relatedness extended from the forked nodes, and going along through time one sees evolution in action. Change over time.


What is the scientist who study family trees?

Scientists do not study family trees. Geneticists are scientists who study genetics and inheritance. Genealogists study family trees, but they are not scientists.


How do the trees in the rain forest obtain their energy?

Trees in the rainforest obtain their energy by the sunshine from the sun.


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. )