Aresearcher creates a mutant pea plant in which cytokinins are overexpressed and gibberellic acid is underexpressed. what is the most likely phenotype of this mutant pea plant? a) the pea plant would be taller with more branches compared to wild-type plants. b) the pea plant would be shorter with fewer branches compared to wild-type plants. c) the pea plant would be shorter with more branches compared to wild-type plants. d) the pea plant would be taller with fewer branches compared to wild-type p

In iceland, the mid atlantic ridge runs through the center of the contry. what can you conclude about the apperence of iceland many thousands of years from now?

Ivan is looking at a cross section of a stem taken from a vascular plant. he sees two different types of vascular tissue: the xylem, which is closer to the center of the stem, and the phloem, located around the xylem, closer to the outside of the stem. how do these two structures work together in a living plant?

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.