During a class project, Sofia made a scale drawing—similar to the illustration below—showing the solar radii of various stars. Then Sofia made a chart for four of the stars, using the names of the stars for column headings. She listed the stars in order from smallest to largest. Which of the following shows how the stars’ names appeared on Sofia’s chart? f. Hamal, Polaris, Shedir, Arneb
g. Arneb, Hamal, Polaris, Shedir
h. Hamal, Delta Bootis, Alshain, sun
i. Xi Ursa Majoris, Polaris, Hamal, Delta Bootis

Charles darwin published his theory of evolution in 1859. in what way foes modern evolutionary theory differ from the theory as proposed by darwin? a) darwin inferred that individuals can evolve, but modern generic science has shown that this is not true. b)darwin inferred that individuals do not evolve, but modern genetic science has shown that this is not true. c)modern science has disproved most of darwin's original theory of evolution, because darwin knew nothing about generations and their role in heredity. d)generic studies have shown that gene expression and other factors operate along with natural selection, but most of darwin's theory has been supported by modern science.

What evidence did mendel find that supported his law of independent assortment? a. dominant traits are expressed when there is a dominant allele. b. traits do not affect the inheritance of other traits. c. some traits have three or four different alleles. d. plants and animals can both reproduce sexually.

What is the problem in this article? what solution does the article propose?