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What similarities in development lead scientists to infer that opossums chickens salamanders and fish share a common ancestor?
something to do with embryology
What similarities in development lead scientists to infer turtles chickens and rats share a common ancestor?
They look similar at birth
Is it true similarities in early development are not evidence for evolution?
Similarities in early development can provide evidence for evolutionary relationships between species. For example, striking similarities in embryos of different vertebrate species support the idea of a common ancestor. These similarities suggest that evolutionary changes have occurred over time, leading to variations in adult forms while retaining aspects of shared developmental processes.
Why do humans and chicks develop similarly to reptiles?
Humans, chicks, and reptiles share a common evolutionary ancestor, which is why they show similarities in early development. This shared ancestry has resulted in conservation of certain developmental processes, such as the formation of specific body structures and organs. These similarities reflect the fundamental genetic and molecular mechanisms that underlie development across different species.
How do scientists use similarities in early development as evidence for evolution?
Scientists use similarities in early development among different species to support evolution by showing that closely related species share common ancestry. These similarities reflect patterns of shared genetic information inherited from a common ancestor, providing evidence for evolutionary relationships. Comparing early development across species helps to decipher evolutionary history and understand how different organisms have evolved over time.
What is the evolutionary ancestor ancestor to the fungi?
Scientists have not identified an evolutionary ancestor to fungi.
Why do scientists think arthropods and segmented worms have a common ancestor?
Scientists found that both segmented worms and arthropods have a hollow space in their bodies to hold their organs. They both also have larvae stages early on in their life cycle.
What is our evidence of Luca, the common ancestor that we can link all living organisms to?
Scientists have identified Luca as the Last Universal Common Ancestor, or the common ancestor of all living organisms. Evidence for Luca comes from the study of genetic material and the similarities found in the genetic code of different species.
How are vertebrate embryos evidence of evolution?
All vertebrate embryos look roughly the same, showing that they come from a common ancestor.
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.
How does comparing physiological similarities of living species provide evidence of?
Physiological similarities suggest the species evolved from the same ancestor.
How is embryological development utilized as evidence to support the theory of evolution?
Embryological development is used as evidence for evolution because it shows similarities in the early stages of development among different species. This suggests a common ancestry and supports the idea that organisms have evolved from a shared ancestor.
