Complete the sentence to explain how organisms develop in a changing environment. (a. adaptations, b. mutations, c. genetic variations) occur because beneficial traits exist in a gene pool, and (a. gene flow, b. artificial selection, c. natural selection) makes these traits more prevalent in the population.

Osmosis is often viewed incorrectly as a process driven directly by differences in solute concentration across a selectively permeable membrane. what really drives osmosis? view available hint(s)osmosis is often viewed incorrectly as a process driven directly by differences in solute concentration across a selectively permeable membrane. what really drives osmosis? the first law of thermodynamicsthe difference in the height of water columns on either side of a selectively permeable membranethe difference in water concentration across a selectively permeable membranethe difference in sugar or ion concentration across a selectively permeable membrane

In many humans, exposing the skin to sunlight over prolonged periods of time results in the production of more pigment by the skin cells (tanning). this change in skin color provides evidence that -

What is the major difference between a virus and a viroid?