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Amar is making a cladogram. Out of all the species he is using, he knows that species X and Y are the least primitive and are the most closely related.Where will these organisms most likely be placed on the diagram?
A
at two points close together toward the upper right of the diagramB
at two points close together toward the lower left of the diagramC
at two points far apart toward the middle of the diagramD
at two points far apart toward the upper right of the diagram2
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Answer:
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Ariel drew the cladogram shown.
A
It has jaws, but no hollow bones.B
It has hollow bones, but no jaws.C
It has neither hollow bones nor jaws.D
It has hollow bones and jaws.4
Which statements best describe shared characteristics? Select two options.
A
Shared characteristics always exist in the common ancestor and in the modern organism.B
Shared characteristics never exist in the common ancestor or in the modern organism.C
The more characteristics organisms share, the more closely related they are.D
The fewer characteristics organisms share, the more closely related they are.E
Shared characteristics can exist among organisms that belong to different species.F
Shared characteristics only exist among organisms that belong to the same species.5
Study the cladogram. Which two organisms are the most closely related?
A
lamprey and gorillaB
salamander and lizardC
tiger and sharkD
lizard and lamprey6
Which best describes the two types of shared characteristics?
A
1 - characteristics that remain in the common ancestor and the modern organism2 - characteristics that are new and have been modified from what was found in the common ancestorB
1 - characteristics that are new in the common ancestor and the modern organism2 - characteristics that have been modified from what was found in the common ancestorC
1 - characteristics that have been modified in the common ancestor but not in the modern organism2 - characteristics that are new in both the common ancestor and the modern organismD
1 - characteristics that remain in the common ancestor and the modern organism2 - characteristics that are new in both the common ancestor and the modern organism7
Which best describes how shared characteristics can be used to identify evolutionary relationships?
A
If organisms have a common ancestor, most of their characteristics will be shared.B
If two organisms have a shared characteristic, it means one evolved from the other.C
If organisms have many shared characteristics, they are likely to be closely related.D
If organisms have a shared characteristic, it means they are closely related.8
[BLANK]
A
differentB
sharedC
modifiedD
ancient9
Study this cladogram.
A
Organism D is the most primitive organism.B
Organism A is a common ancestor of B, C, and D.C
Organism D is a common ancestor of A, B, and, C.D
Organism A is the most primitive organism.10
Tigers and crocodiles are more closely related than tigers and sharks.
A
Crocodiles and sharks both live in water.B
Crocodiles and tigers are both made of cells.C
Crocodiles and tigers both have four legs.D
Sharks and tigers are both meat eaters.Did you find these answers helpful?
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