Rosalind franklin is famous for which contribution to the study of dna? a)creation of an accurate model of dna structure. b)creation of an x-ray diffraction image of dna structure. c)identification of a pattern in ratios of dna bases. d)identification of dna in bandages that contained pus.

If bacteria are much too small to see, what is one reason why can we see colonies in the petri dishes that have plenty of food to eat after only a few days?

Identify the structure in organisms that do not have kidneys that is adapted to regulate water balance

Which of the following observations darwin shape his concept of descent with modification? a) species diversity declines farther from the equator.b) fewer species live on islands than on the nearest continents.c) birds can be found on islands located farther from the mainland than the birdsê¹ maximum nonstop flightdistance.d) south american temperate plants are more similar to the tropical plants of south america than to thetemperate plants of europe.e) earthquakes reshape life by causing mass extinctions.