The cell theory is one of the unifying themes of biology. which of the following statements would be part of the cell theory?
a) the basic unit of life is the cell
b) cells come from preexisting cells
c) all living organisms are composed of cells
d) all of the above
Answers: 1
Biology, 22.06.2019 00:00
Which ideas did your answer contain? check all that apply. no food for organisms no oxygen in the atmosphere no trees or flowering plants no products based on trees or plants (building materials, medicines, fuels, fibers) no fossil fuels
Answers: 3
Biology, 22.06.2019 11:30
Which of the following statements is true about the relationship between genetic variation and natural selection? a. genetic variation must be present in a population before natural selection can act on it. b. genetic variation arises in a population as a result of natural selection. c. natural selection can act on a population whether there is genetic variation within the population or not. d. after natural selection acts on a population, the amount of genetic variation in the population always increases.
Answers: 1
Biology, 22.06.2019 12:10
What mistake did john needham make that caused him to conclude that spontaneous generation for microorganisms occurred? a. he re-contaminated his boiled broth solutions. b. he destroyed the vital force in the solutions. c. he did not boil his broth solutions, only warmed them. d. he failed to seal his flasks of boiled broth. e. he allowed his assistant to conduct the experiment which he did not monitor closely.
Answers: 2
Biology, 22.06.2019 12:20
Consider the following planned experiment. factor experimental group control group light exposure tots of sun tots of sun amount of water weekly weekly type of soil nutrient rich nutrient rich size of pot large which variable is being tested in this experiment? small a. size of pot b. type of soil c. light exposure d. amount of water
Answers: 3
The cell theory is one of the unifying themes of biology. which of the following statements would be...
SAT, 28.12.2021 05:00
History, 28.12.2021 05:00
Chemistry, 28.12.2021 05:10
Mathematics, 28.12.2021 05:10
Social Studies, 28.12.2021 05:10
SAT, 28.12.2021 05:10
Mathematics, 28.12.2021 05:10
SAT, 28.12.2021 05:10