How is a dichotomous key used?
the organism is compared to paired pictures of organisms until a match is found in the key.
the organism’s dna is sequenced and compared to the dna sequences that are listed in the dichotomous key.
observable characteristics of the organism are checked through a sequence of two-part steps until an identification is listed in the key.
observable characteristics of the organism are listed in a group and compared to different groups of observable characteristics listed in the key.

The rate at which molecules water and oxygen can enter a cell is determined by the-

Which locations on the map are low-pressure areas? a b c d e

Astudent completed a lab report. which correctly describes the difference between the “question” and “hypothesis” sections of her report? “question” states what she is asking, and “hypothesis” states the result of her experiment. “question” states what she is asking, and “hypothesis” states what she thinks the answer to that question is in “if . . then . . because” format. “question” describes what she is trying to find out, and "hypothesis" states the procedures and methods of data collection. “question” describes what she is trying to find out, and “hypothesis” states any additional information or prior knowledge about the question.