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This image shows the development of two embryos.
Based on these images, which statement is true?
Their brains will function the same way after birth.
Their tails and legs are different as embryos.
Their eyes and heads are similar as embryos
Their legs will be the same length at birth.
These forelimbs are considered to be evidence of common ancestry because of which of the following?
They have the same functions.
They are all from mammals.
They contain similar structures.
They all are all the same basic length.
the study of living things
the study of the formation and early development of living things
the study of energy conversions of living things
the study of non-living things
What conclusion can be made about these four organisms?
The four organisms have similar bones because they live in similar environments
The four organisms have different ancestors since they live in different environments.
The four organism have no connection to each other because they live in different ecosystems
The four organisms have a common ancestor since they have the same number of bones in the same positions.
Which of the following pictures BEST describes stage X in the developmental stages of the organism in the image?
none of the images
Which pair of animals is most closely related?