Which term means "surgical creation of a new opening to the
outside from the windpipe"?
A laryngectomy
B. tracheotomy
D. tracheostomy

Suppose a scientist measures the amount of dna per cell of a particular diploid species at various stages of meiosis. she finds that the meiotic cells contain 3.7 pg , 7.3 pg , or 14.6 pg of dna. match each stage of the cell cycle to the corresponding amount of dna contained within a cell at that stage.

2polnis which of the following is an advantage of an in vitro experiment?me

There are multiple lines of evidence that provide support for common ancestry and evolution. write 3-4 paragraphs describing at least three of them in detail. provide at least one example for each line of evidence.