Although the glycolytic degradation of glucose is a major source of energy, other dietary carbohydrates, such as galactose and fructose, are also important fuels. When being metabolized, fructose and galactose

a) are metabolized by conversion to intermediates in the glycolytic pathway.

b) cannot be degraded by steps in the glycolytic pathway.

c) can be used to form pyruvate by metabolic pathways that run parallel to glycolysis.

d) must first be converted to glucose to be used as fuel.

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.