1) Natural Selection is best described as a) Choosing an advantageous trait and reproducing to have it show up more often b) Those with the best traits survive and pass those traits on c) Changing traits within one's lifetime to become more successful 2) A structure that seems to serve no purpose in an organism is called a) homologous structure b) analogous structure c) vestigial structure 3) The image illustrates what evolutionary concept? a) homologous structures b) analogous structures c) vestigial structures 4) The remnant of an organ that had a function in an early ancestor is known as a a) homologous structure b) analogous structure c) vestigial structure 5) What is the process in which humans breed organisms for certain traits? a) natural selection b) descent without modification c) artificial selection d) acquired characteristics 6) Which term best represents the image provided? a) homologous structure b) analogous structure c) vestigial structure 7) Which evolutionary structures do not develop from ancestors but rather to meet the need of the environment? a) homologous structure b) analogous structure c) vestigial structure 8) The idea of natural selection, individuals who survive are the ones best adapted for their environment, was developed by a) Charles Darwin b) Gregor Mendel c) Robert Hooke d) James Watson 9) The diagram represents a section of soil and rock in which fossils are buried. Which layer is the oldest? a) 1 b) 2 c) 3 d) 4

Evolution

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