Most mutations lead to a decreased chance of survival for the mutant organism. rarely, a mutation can provide an increased chance of survival. these rare mutations provide a(n) for the mutant.
a. selective disadvantage
b. environmental susceptibility
c. directional shift
d. adaptive
e. selective advantage

Which of the four major uses is predicted to change the least by 2020?

Chicken pox and hepatitis are bacterial diseases. true or false?

In the united states there are strict fishing seasons and limits, but not all countries enforce similar laws. in bangladesh there are few if any fishing restrictions. what might be the reason for less restrictions in smaller countries like bangladesh? a) the united states is the only country worried about overfishing. b) the united states wants to limit the supply of fish to increase the price. c) bangladesh and smaller countries have an unlimited supply of fish in their coastal waters. d) small countries, such as bangladesh, are practicing subsistence fishing, taking only the fish needed to survive.