A researcher uses a logistic model of population growth. Which statement best describes the relationship between time and population size in a logistic growth model?

the answer is d.) homologous; have mammary glands

in the year 2850, humans successfully colonized mars. the martian modules that were constructed could hold only a small population of people. it is now a century later, and the population on mars has grown to 600 people. of the current mars population, 45 people express the recessive phenotype for phenylketon- uria (pku) syndrome (pp genotype).

explanation: