How does the paramecium release its waste?

The influenza virus cause the flu, but not other diseases. why?

Wich level of organization includes all the other levels or organizations

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