Proof of Evolution-2018

If an organism has a vestigial structure, that structure likely once had a function in a(n)

• close relative
• early ancestor
• unrelated organism
• embryological stage

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Why is studying the embryos of organisms important (in evolution)?

• provides evidence that two very different animals could have descended from a common ancestor

• have no idea

• they have similar functions and structures

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Which of the following is an example of a vestigial structure of a HUMAN?

• Femur

• tail bone

• Brain

• Finger

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When scientists compare the amino acid sequences for the red blood cell protein hemoglobin between various species, what can they determine about the evolutionary relationship between the species?

• It can be determined how efficient hemoglobin is for different species
• It can provide evidence about the relatedness of the different species: if they are more similar they have a more recent common ancestor.
• It cannot determine relatedness between different species, only individuals of the same species
• It can show which species evolved first

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The Table below shows the # of differences in amino acids in a protein called “Cytochrome C” when comparing humans to other organisms. The protein is used by many plants and animals to convert energy in cells.
List the 4 closest human relatives based on this biochemical comparison.

• chimpanzee, horse, rattlesnake, snapping turtle
• chimpanzee, gorilla, rhesus monkey, horse
• fruit fly, bread mold, tuna fish, snapping turtle
• gorilla, rhesus monkey, rattlesnake, gorilla

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Which of the following statements about the individuals in a population that survive to reproduce is true?

• They have the same predators 
• They are likely to pass traits to their offspring 
• They live in different environments 
• They are sterile

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What does this picture model?

• DNA structure of the horse

• Evolution of the horse

• Extinction of the horse

• Singular trait of the horse

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According to the Theory of Evolution, individual organisms can evolve.

• True
• False

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The theory of Natural Selection was developed by

• Darwin

• Lamarck

• Mendel

• Watson

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Which statement best describes the process of evolution?

• Populations can survive in different locations on earth

• Environmental conditions limit the number of species on Earth

• Populations grow when resources are abundant

• Common traits of a species can change over huge amounts of time

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