Darwin identified 13 different species of finch during his time on the Galapagos Islands. The main difference between the finches was the size and shape of their beaks. Which one of the following statements best describes how these differences developed?

Iwill give brainiest to first person who gets it ! what are 3 basic types of interactions we see in an ecosystem?

Football players often sustain lateral blows to the extended knee. which of the ligaments is (are) damaged as a result? a. suprapatellar b. oblique popliteal and extracapsular ligament c. medial collateral, medial meniscus, and anterior cruciate d. arcuate popliteal and the posterior cruciate

Which is not a likely outcome after extensive irrigation of dry farmland? useless, unproductive soil salinization of the soil depletion of groundwater nutrient-rich soil