Which statements best describe natural selection? Check all that apply.
Populations must have...
Which statements best describe natural selection? Check all that apply.
Populations must have genetic variation
Genetic mutations do not produce advantageous traits
Natural selection occurs when the environment changes
Evolution works independently of natural selection
Organisms best suited for the environment survive and repro
Answers: 3
Biology, 22.06.2019 00:10, rameseshajj
Which would happen if more forests were cut down? a. the nitrogen cycle would be stopped b. nitrogen would be fixed by bacteria more quickly c. the amount of co2 in the atmosphere would increase d. fossil fuels would build up in the soil c the amount of co2 in the atmosphere would increase
Answers: 1
Biology, 22.06.2019 16:50, victoriacarr638
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.
Answers: 3
Biology, 22.06.2019 18:30, Braxtonw875
For an animal living a diplontic cycle, meiosis is limited to: producing gametes producing growth fertilization development of the zygote
Answers: 2
Engineering, 14.09.2019 05:10