Which statement is NOT an accurate component of natural selection? environmental pressure leads to competition among individuals of a population

more beneficial traits become more common in populations over time

individual organisms change their genes within their lifetime to adapt to their environment

genetic variation exists within a population for natural selection to act on

The need activity of the nurse is to suction discharges from the trachea. current treatment approaches in the pressing consideration facilities or crisis offices are corticosteroids and nebulized epinephrine; steroids have demonstrated advantageous in extreme, direct, and even gentle croup. in the clear instances of croup, anti-microbials are not endorsed, as the etiology is viral

1) clean up you lab area2) dispose of the chemicals as instructed by your teacher3) put everything back where it belongs unless your teacher tells you otherwise4) dispose of gloves5) wash hands with soap and water