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Scientists know that the supergroups do not share a single common ancestor but do not know where in time they branch off from each other:)

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14y ago

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Is the following sentence true or false homologous structures provide strong evidence that all four limbed vertebrates have descended with modifications from common ancestors?

True, they descend from a common ancestor.


Species that have evolved from a common ancestor should have certain characteristics in common?

true.


Should species that have evolved from a common ancestor have certain characteristics in common?

true.


Does the theory that organisms share a common ancestor is known as common descent?

Yes, that is true.


Is it true that the more similar two organisms are the more distant their common ancestor probably is?

yes it is true


It is true that the man came from an ape?

no. man did not come from apes but we do have a common ancestor with them. Both created by the one true God!


What is generally true of two sibling species?

They shared a common ancestor recently in evolutionary time.


All of the members of a lineage group could claim to be descended from a common ancestor true or false?

True. A lineage group consists of individuals who trace their ancestry back to a common progenitor. All members of the lineage group are believed to be descendants of this shared ancestor.


Is it true that we all started off as gorillas?

No. Humans and gorillas evolved from the same common ancestor, but one did not come from the other.


Is it true that the degree of dissimilarity in DNA sequences is an indication of how long ago two species shared a common ancestor?

Yes, the degree of dissimilarity in DNA sequences can provide insights into how closely related two species are and when they shared a common ancestor. The greater the differences in DNA sequences, the further back in time the common ancestor is likely to have existed. This method is the basis of molecular phylogenetics, which uses genetic information to study evolutionary relationships among organisms.


What is a group of species that includes a single common ancestor and all descendents?

Unless life evolved multiple times on Earth all species share a common ancestor with each other. The list is for all practical purposes limitless. Humans and wolves Guinee Pigs and Wales Cock Roaches and Mice and so on.....


If evolution is true then why there is no species excisting in between chimpansie and human?

Humans did not evolve from chimpanzees, rather both humans and chimpanzees share a common ancestor. A division happened with this common ancestor....some went on to become chimpanzees and some went on to become modern humans. There are common ancestors to both humans and chimps, but they are long extinct.