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Yes, all living organisms are believed to share a common ancestor, a concept supported by the theory of evolution. This idea suggests that through the process of natural selection and genetic variation over billions of years, diverse forms of life have evolved from a single or a few ancestral species. Molecular and genetic evidence further strengthens this notion, showing shared DNA sequences among various organisms. This common ancestry highlights the interconnectedness of all life on Earth.
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What does the presence of Similar genes in very dissimilar organisms imply?
The presence of similar genes in very dissimilar organisms implies a common ancestor. This suggests that these organisms share a common evolutionary history and have inherited these genes from a common ancestor. The concept is known as homology.
Why the homologous structures are evidence of evolutionary relationship?
They show similarities between organisms structure. if the similarities are large then it shows that those organisms share a common ancestor.
Homologous structures in organisms suggest that the organisms?
share a common ancestor. These structures are similar in form and function but may have evolved to serve different purposes in different species due to natural selection. The presence of homologous structures supports the theory of evolution.
What does the presence of similar DNA sequences in the genes in very dissimilar organisms imply?
The presence of similar DNA sequences in genes of very dissimilar organisms implies a common ancestry or evolutionary relationship. These similarities suggest that these organisms share a common ancestor and have inherited these sequences through evolution.
When the internal strucure of two species are very similar what can be inferred about both species?
They evolved from a common ancestor.
What are Descendant organisms?
Descendant organisms are organisms that share many in common because they share a common ancestor.
Does the theory that organisms share a common ancestor is known as common descent?
Yes, that is true.
What organisms share the most recent common ancestor?
Organisms that share the most recent common ancestor are those that are closely related in evolutionary terms, such as humans and chimpanzees. They both belong to the family Hominidae and diverged from a common ancestor about 6 to 7 million years ago. Other examples include all mammals, which share a common ancestor that lived around 200 million years ago. The concept of a common ancestor highlights the interconnectedness of life through evolutionary processes.
What does the presence of Similar genes in very dissimilar organisms imply?
The presence of similar genes in very dissimilar organisms implies a common ancestor. This suggests that these organisms share a common evolutionary history and have inherited these genes from a common ancestor. The concept is known as homology.
How would you know if organisms shared a common ancestor?
Scientists can determine if organisms share a common ancestor by analyzing their genetic and morphological similarities. The more similarities that exist, the more likely it is that they share a common ancestor. Additionally, the study of evolutionary relationships through techniques like phylogenetic analysis helps to trace back common ancestry among organisms.
The fact that all organisms have DNA as their genetic material is evidence that?
all organisms share a common evolutionary ancestry. The universal presence of DNA suggests a common genetic code that has been inherited from a common ancestor. This supports the theory of evolution and the idea that all living things are connected through a shared genetic history.
What is an evolutionary?
If two organisms share an evolutionary relationship, that means that they have a common ancestor on the evolutionary tree. The more recently the shared common ancestor lived, the more closely related the two present organisms are, evolutionarily.
Do seals and humans share a common ancestor?
yes they do in facts share a common ancestor.
Similar features in organisms that do not share a recent common ancestor are the result of what?
Similar features in organisms that do not share ancestry means both organisms adapted to their environment. They developed the features to survive.
Do plants and animals share a common ancestor?
Yes, plants and animals share a common ancestor.
What does it mean when two species share a common ancestor?
An ancestor.
What common ancestor do two or more descendants share?
The common ancestor that two or more descendants share is a shared ancestor from whom they both or all descend.
