HELP WILL GIVE Many genes work together to determine phenotype.

A. Complete Dominance
B. Codominance
C. Incomplete dominance
D. Polygenenic

Which blood cell spend most of their time in the lymphatic system?

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.

The united states uses which source of energy to produce almost 40 percent of its electricity