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What Organs that are so reduced in size that they are just vestiges of homologous organs in other species are called?
Those organs are called vestigial organs. They are remnants of functional structures that were more developed in ancestral species but have decreased in size or usefulness in the current organism.
why are structures not removed by natural selection?
Vestigial structures do not harm the organism. Nature selects against only harmful traits.
Why are vegistal structures not removed by natural selection?
Vestigial structures are not removed by natural selection because they often do not significantly impact an organism's survival or reproductive success. These structures may have lost their original function but can still exist without detrimental effects. Additionally, if a vestigial structure does not impose a substantial cost to the organism, natural selection may not act strongly against it, allowing it to persist through generations.
What are remnants of structures that served important functions in the organisms ancestors is it homologous analogous vestigial or neither?
Remnants of structures that served important functions in an organism's ancestors are referred to as vestigial structures. These features may have lost their original function through evolution but can still be observed in the organism. Examples include the human appendix or the pelvic bones in whales, which reflect their evolutionary history. In contrast, homologous structures share a common ancestry, while analogous structures arise from convergent evolution and do not share a common ancestor.
Does homologous mean that structures are similar due to having common ancestry?
homologous structures- same structure/different functions in common ancestors analogous structures-same functions/differnt structures not in common ancestors vestigial-show evolutionary history/structures that arent used anymore (i.e. human appendix/human tailbone)
What is the difference between homologous analogous and vestigial structures?
pickles :3
What causes the difference between the ancestor and modern koalas?
a. the presence of homologous structures b. the presence of vestigial organs
What Organs that are so reduced in size that they are just vestiges of homologous organs in other species are called?
Those organs are called vestigial organs. They are remnants of functional structures that were more developed in ancestral species but have decreased in size or usefulness in the current organism.
why are structures not removed by natural selection?
Vestigial structures do not harm the organism. Nature selects against only harmful traits.
What do homologous structers vestigial structures and fossils provide evidence of what?
which model of evolution shows change over a relatively short period fo time
What is the term for structure that has no use in an organism?
Vestigial StructureA vestigial structure is a structure that appears to no longer have a use in the body.
Why are vegistal structures not removed by natural selection?
Vestigial structures are not removed by natural selection because they often do not significantly impact an organism's survival or reproductive success. These structures may have lost their original function but can still exist without detrimental effects. Additionally, if a vestigial structure does not impose a substantial cost to the organism, natural selection may not act strongly against it, allowing it to persist through generations.
Why is vestigial structures not removed by natural selection?
Vestigial structures are remnants of organs or traits that served a purpose in an organism's ancestors but have lost their original function. Natural selection does not necessarily remove these structures because they may not significantly impact an organism's survival or reproductive success. Additionally, if vestigial traits do not impose a substantial disadvantage, they can persist in the population. Over time, these structures may remain due to genetic drift or because their costs are outweighed by other beneficial traits.
What are remnants of structures that served important functions in the organisms ancestors is it homologous analogous vestigial or neither?
Remnants of structures that served important functions in an organism's ancestors are referred to as vestigial structures. These features may have lost their original function through evolution but can still be observed in the organism. Examples include the human appendix or the pelvic bones in whales, which reflect their evolutionary history. In contrast, homologous structures share a common ancestry, while analogous structures arise from convergent evolution and do not share a common ancestor.
What homologous structure that is greatly reduced to size?
Vestigial Organs
What is the difference between vestigial homologous and analogous?
pickles :3
What are 4 pieces of evidence of evolution?
Part 1: Evidence from the Fossil Record Part 2: Evidence from Geographic Distribution of Living Species Part 3: Evidence from Homologous Structures and Vestigial Organs Part 4: Evidence from Embryology
