A student took 15 identical sized chips. The mass of each chip was recorded and the chips were placed in 4 salt solution (0.1m,0.2m,0.3m,0.4m) and pure water for 30 minutes. The chips were dried and the mass recorded. The mass change and % change in mass was calculated. Design a table to record the students raw and processed data.

Marianne is comparing two animals: a fruit fly and a fruit bat. she asks, "do a fruit fly and a fruit bat share a common ancestor in their evolutionary history? " according to evolutionary theory, what is the answer to marianne's question?

Which of the following is true of microbes? a. ninety-nine percent of all microbes are pathogenic.b. gene expression in bacteria is very similar to gene expression in humans, which facilitates the use of bacteria in recombinant biotechnology and gene therapy.c. all bacterial enzymes are harmful to humans and the environment.d. microbes create pollutants and toxins that harm the environment.

Which of the following produces carbon dioxide? a. plants b. animals c. decomposers d. all of the above