Addison has two dogs that are sisters. One of the dogs has white fur and the other dog has black fur. What scientific question could Addison ask based on this observation? A. How is fur color determined in dogs? B. How fast do the dogs run? C. Which color of fur is the prettiest? D. Which of the dogs is the most friendly?

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.

92 sathe best for the question 11. most animals and plants reproduce sexually. this means that dna is passed down to new organisms from two parental organisms. which of the following is a key advantage of sexual reproduction?

Spring tides, when the high tides are at their highest and low tides at their lowest. what is it about these positions that causes these high and low tides?