Lionfish are an invasive species off the coast of florida. what are some ways that scientists would collect data and make observations to them learn more about the severity of the lionfish problem?

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