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Homologous structures

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12y ago

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What is the type of trait shared with a common ancestor?

A trait shared with a common ancestor is called an inherited or ancestral trait.


What is the definition of ancestral trait?

An ancestral trait is a trait that is shared by a group of organisms and their common ancestor. It is a characteristic that has been inherited from a common ancestor and has been passed down through generations without change.


What are the character states shared by the ancestor or outgroup of a clade called?

Character states shared by the ancestor or outgroup of a clade are referred to as plesiomorphies. These are ancestral traits that were present in the common ancestor of a group but are not unique to the members of the clade.


What is derived characteristic?

A derived character is a trait that is shared by organisms with a recent common ancestor. It is also called as shared character.


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.


Species that shared a common ancestor in the recent past have many?

traits


What are the differences between a synapomorphy and a homologous trait?

A trait shared by at least two and perhaps more taxa and devolving on common ancestry is synapomorphy. A homologous trait is quite similar. The forelimbs of all tetrapods are devolved from common ancestry and would be traits shared by many taxa and homologous traits. Cladists use the word synapomorphy more to show closer relationships. Pliesiomorphy is the word cladists use to show more ancient relationships.


What is the difference between shared derived characters and shared ancestral characters in evolutionary biology?

Shared derived characters are traits that are shared by a group of organisms and are unique to that group, indicating a common ancestor. Shared ancestral characters are traits that are shared by a group of organisms but are not unique to that group, as they are inherited from a common ancestor of a larger group.


What is the difference between a derived trait and an ancestral trait in terms of evolutionary biology?

In evolutionary biology, a derived trait is a new characteristic that has evolved in a species, while an ancestral trait is a trait that has been inherited from a common ancestor. Derived traits are unique to a particular species and can help distinguish it from others, while ancestral traits are shared among related species.


Why did Darwin think the finches he observed shared a common ancestor?

tu cola


What do the nodes in a cladogram represent?

Nodes in a cladogram represent the hypothetical common ancestors where lineages diverge. They are used to indicate the points at which a shared evolutionary history is inferred to occur within the tree.


What is the difference between derived trait and ancestral trait?

Derived traits are traits that appeared in the most recent common ancestor of the group and was passed on to it's decedents. Ancestral traits are inherited directly from the ancestor