Maria hypothesizes that the amount of light in an environment affects the growth of algae living in that environment.

Which of the following is the best type of investigation for Maria to perform in order to test her hypothesis?

What would be the most likely result if the ph of the stomach were increased to 5

Which best describes the digestive system of arthropods? a incomplete, two openings b complete, one opening c two-way, one opening d one-way, two openings

In a population that is in hardy-weinberg equilibrium, there are two possible alleles for a certain gene, a and a. if the frequency of allele a is 0.4, what fraction of the population is heterozygous? a. 0.40 b. 0.60 c. 0.16 d. 0.48