The biochemical analysis of different chlorophyll pigments in plants would be most useful in
a. how plants reduce asexually
b. how plants pass favorable traits to their offspring
c. why some plants produce hemoglobin
d. which plants might have a common ancestor

Glycogen is an energy-storage molecule in humans. a hormone that is called insulin controls the storage of glycogen in the liver. insulin is made up of amino acids.

Eutrophication caused by human nutrient pollution.

Which of the following observation 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 live on islands located farther from the mainland than the bird's maximum nonstop flight distance. d) south american temperate plants are more similar to the tropical plants of south america than to the temperate plants of europe. e) earthquakes reshape life by causing mass extinctions.