The correct answers are 1, 2 and 4
Answer:
<h2> Changes in population size may have important effects on genetic variation and on the survival potential of viral species. Genetic bottlenecks are evolutionary events that reduce genetic variation of a population in a stochastic manner and result in founding populations that can lead to genetic drift.</h2>
Explanation:
<h2>Hopes this helps. Mark as brainlest plz!</h2>
Changes in a DNA sequence that affect genetic information are known as mutations.
In the carbon cycle, decomposers break down dead material from plants and other organisms and release carbon dioxide into the atmosphere, where it's available to plants for photosynthesis. ... After death, decomposition releases carbon into the air, soil and water.
Answer:
its "A" water flowing over a tall cliff
Explanation: