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What is the similar features that originated in a shared ancestor?
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If you compare organisms with similar characteristics what indicates recent their common ancestor probably is?
The more similar the two groups are, the most recent the common ancestor probably is.
How would you know if organisms shared a common ancestor?
The closer the DNA pattern (the nucleotide base pairing), the closer the species from a common ancestor.
What features are shared by most bacteria?
shapes
What assumption is made when constructing a cladogram?
the more derived characteristics shared by groups, the more recently the groups share a common ancestor
Two species are classified in the same genus. How does this classification reflect the evolutionary relationship between the two species?
it means the species shared a common ancestor in the recent past
If you compare organisms with similar characteristics what indicates recent their common ancestor probably is?
The more similar the two groups are, the most recent the common ancestor probably is.
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 did Charles Darwin observe about finches on the galapagos islands?
That the finches were similar to the ones on the mainland, but had adapted to the island environment.
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.
How do analogous structures and homologous structures differ?
Homologous features of animals are a lot more recent in contrast to evolution, where as analogous dates far back. Homologous features are similar in structure, but perform different functions, such as the human hands and dolphin flippers, which makes room to allow recent evolution comparisons while analogous consists of wings of a bee and a bird, which are completely different. When trying to determine evolutionary relationship between two species, biologists concentrate on homologous features, as analogous features would be considered useless in this case.
What trait shared with a common ancestor?
Homologous structures
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 physical features are shared between the US and Canada?
Mountains ranges, plains, Great Lakes, similar coast lines and climates.
Species that shared a common ancestor in the recent past have many?
traits
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.
Name the last level at which dogs and humans shared a common ancestor?
Animalia
Why did Darwin think the finches he observed shared a common ancestor?
tu cola
