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What does comparing organisms in the fossil record provide evidence for?

Comparing organisms in the fossil record provides evidence for evolutionary relationships and how species have changed over time. It helps researchers understand the history of life on Earth, including the emergence of new species and the extinction of others. Fossils also provide insights into how organisms have adapted to changing environments.


Why do DNA comparisons provide the most direct evidence of evolutionary relationships?

DNA comparisons provide the most direct evidence of evolutionary relationships because they reflect the actual genetic changes that have occurred over time in different organisms. By comparing the sequences of DNA, scientists can determine the degree of similarity between species and estimate how closely related they are in terms of their evolutionary history. This molecular evidence is more accurate than comparing physical characteristics because it is less influenced by environmental factors.


What are traces or remains of organisms that lived in the past?

Fossils are proof of organisms that lived long ago


What can you learn by comparing the fossils of an area with the organisms living there today?

By comparing fossils with currently living organisms in an area, you can learn about the evolutionary changes that have occurred over time, as well as how species have adapted to environmental changes. It can also provide insights into the biodiversity of the area, how ecosystems have evolved, and potentially help predict future changes in the environment.


Is the fossil record valid evidence for evolution?

Yes, the fossil record is considered a valid and significant piece of evidence for evolution. Fossils provide a record of past life forms and show a progression of species over time, supporting the idea that organisms have changed and diversified through evolutionary processes. Additionally, the discovery of transitional fossils helps to fill in gaps and provide connections between different groups of organisms.

Related Questions

What does comparing organisms in the fossil record provide evidence for?

Comparing organisms in the fossil record provides evidence for evolutionary relationships and how species have changed over time. It helps researchers understand the history of life on Earth, including the emergence of new species and the extinction of others. Fossils also provide insights into how organisms have adapted to changing environments.


How can comparing organisms can provide evidence that they have ancestors in common?

Comparing organisms can show similarities in their DNA, anatomical structures, and developmental processes. These similarities suggest that the organisms share a common ancestor and have evolved from it through the process of descent with modification. By studying these similarities, scientists can trace the evolutionary history of different species and understand how they are related through common ancestry.


What three things provide evidence that organisms have changed over time?

Fossils Further evidence is derived from living organisms Bones


What are evaluation claims?

Evaluation claims are statements that assess the quality, value, or effectiveness of something. They are used to provide opinions or judgments based on criteria or evidence. It is important to support evaluation claims with appropriate reasoning or evidence to make them more credible.


What can living organisms provide evidence about the past?

Scientists can see th fossils and the living organisms.


Why do DNA comparisons provide the most direct evidence of evolutionary relationships?

DNA comparisons provide the most direct evidence of evolutionary relationships because they reflect the actual genetic changes that have occurred over time in different organisms. By comparing the sequences of DNA, scientists can determine the degree of similarity between species and estimate how closely related they are in terms of their evolutionary history. This molecular evidence is more accurate than comparing physical characteristics because it is less influenced by environmental factors.


What of evidence is used to show that organisms have a common ancestor?

Various types of evidence, such as fossil records, comparative anatomy, molecular biology (DNA sequencing), and biogeography, all support the theory of common ancestry among organisms. These sources provide clues that organisms share a common evolutionary history and have descended from a common ancestor. Comparing these pieces of evidence across different species helps scientists infer relationships and trace the evolutionary trajectory of life on Earth.


Why is biochemical evidence of evolution considered to be ibdirect?

Biochemical evidence of evolution is considered indirect because it does not provide direct observation of evolutionary changes happening over time. Instead, it relies on comparing similarities and differences in biochemistry, such as DNA sequences or protein structures, to infer evolutionary relationships among organisms.


How does comparing the embryos of different organisms support the theory of evolution?

Comparing embryos of different organisms can reveal similarities in their development, suggesting a common ancestry. These similarities in early development provide evidence for evolution by showing that different species share a common evolutionary history. Studying embryonic development can help trace the evolutionary relationships between different species and support the idea of descent with modification.


How can DNA and proteins provide evidence of evolution?

DNA and proteins can provide evidence of evolution by showing similarities and differences among different species. By comparing the DNA sequences and protein structures of different organisms, scientists can infer evolutionary relationships and track changes over time. Additionally, studying how these molecules have changed and diversified over generations can provide insights into the process of evolution.


What is an evaluation essay?

An evaluation essay is a type of writing that assesses the quality or value of a particular subject based on set criteria. It typically involves analyzing the strengths and weaknesses of the subject and presenting a judgment or recommendation based on evidence and reasoning. This type of essay often requires the writer to provide evidence to support their evaluation.


How is cytochrome c used biochemical evidence for evolution?

Cytochrome c is a protein present in all aerobic organisms, and its sequence is highly conserved across species. By comparing the amino acid sequences of cytochrome c among different organisms, scientists can infer evolutionary relationships. The similarities and differences in cytochrome c sequences provide evidence for common ancestry and the process of evolution.