What does the uniformity of this radiation imply about it’s source

During a fierce storm a large number of tall trees on an island are uprooted by the wind and die. most of the trees on the island are now short trees and produce seeds that grow into short trees. what concept is shown in this example? question 5 options: natural selection artificial selection genetic engineering gene splicing

When you aware sick your body produces more leukocytes. briefly describe where the leukocyte are formed, how they are transported, and where they may be stored.

¿cómo demostraron los experimentos de griffith que un factor hereditario estaba involucrado en la transformación bacteriana?