Evidence for Evolution Answers

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1
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A student is writing a paper to explain how scientists interpret this image.

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A
analogous structures
B
homologous structures
C
comparative anatomy
D
embryology
2
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The diagram shows the structures of horse and cat forelimbs.

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A
They have homologous structures, indicating a common ancestor.
B
They have analogous structures, indicating a common ancestor.
C
They have homologous structures, indicating that they do not have a common ancestor.
D
They have analogous structures, indicating that they do not have a common ancestor.
3

Which is an example of using comparative anatomy to study evolutionary relationships?

A
comparing and contrasting the DNA of two organisms
B
studying the digestive system structure in two organisms
C
using ancient footprints to learn about an organism’s behaviors
D
looking at the development of a fertilized egg of an organism
4

Pelvic bones in whales are an example of structures.

Answer not available
6

Which are accurate descriptions of comparative anatomy? Select three options.may or may not include studies of structures with the same functiononly involves studies of structures that are on the outer surface of the bodycompares the structures of organisms from different speciesalways supports the concept of a recent common ancestorincludes studies of homologous, vestigial, and analogous structures

A
may or may not include studies of structures with the same function
B
only involves studies of structures that are on the outer surface of the body
C
compares the structures of organisms from different species
D
always supports the concept of a recent common ancestor
E
includes studies of homologous, vestigial, and analogous structures
7

The chart shows information about three different embryos early in their development.

Question illustration
A
Species X and Y are not related to humans.
B
Species Y and Z are not related to humans.
C
Species X and Z are related to humans.
D
Species X and Y are related to humans.
8

structures are fully functional, show evidence of a common ancestor, and may or may not have the same function in different species.

Answer not available
9

Which supports the idea that birds and butterflies both have wings but they do not have a common ancestor with wings?

A
The wings are analogous structures that evolved differently and do not have a similar internal structure.
B
The wings are homologous structures that evolved differently and do not have a similar internal structure.
C
Wings of birds are vestigial structures, but the wing structures of bats are not vestigial.
D
Wings of bats are vestigial structures, but the wing structures of birds are not vestigial.
10

Jonas drew a diagram to compare two kinds of evidence that support the theory of evolution.

Question illustration
A
no longer used by species
B
link two species to a common ancestor
C
evidence of adaptations to similar environments
D
part of comparative anatomy studies

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