Which of the following criteria could Not be used to determine how closely related two types of organisms are? A. developmental stages
B. DNA sequence
C. occurrence of both organisms in the same habitat
D. the presence of homologous structures
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Explain why process 2 is so important to sexual reproduction identify processes 1 and 3 state one difference between the cells produced by process 1 and cells produced by process 3

Astudent analyzed ears of corn that demonstrated two traits in the f2 kernels, purple or white colors and smooth on wrinkled shapes. a tabulation of 135 individual kernels gave the following results: purple and smooth = 75 white and smooth = 28 purple and wrinkled = 24 white and wrinkled = 8 what would be the only phenotype present in the f1 ger

Describe the relationship and movement between temperature and density in a convection cell. make sure you identify the direction of travel