An earthquake decimates a ground-squirrel population. the surviving population happens to have broader stripes on average than the initial population. if broadness of stripes is genetically determined, what effect has the ground-squirrel population experienced during the earthquake?
a. directional selection
b. disruptive selection
c. a founder event
d. a genetic bottleneck

Landfills are waste disposal sites. they are often man-made depressions in the ground covered with a lining designed to prevent any leakage of waste materials. however, landfills can leak through the base resulting in negative impacts on the surrounding environments. what negative impact to the environment is caused by organic and inorganic constituents that are dissolved by rainfall in the landfills?

The united states produces an average of 429 billion pounds of food annually. about 133 billion pounds of that food ends up as waste.the percentage of food that the united states wastes each year is %.

Identify the terms using the following picture. principle of dominance item 1 can be described as the . item 2 can be described as the . the "p" represents from one parent.