Answer:
Extinction occurs when large numbers of individuals from a species are killed by biotic interactions or abiotic environmental change. Limited extinctions occurring within small sub-regions of a species' range are usually quite common.
Explanation:yes
B or C since the bottom of the pyramiad is going early to old
<span>c. blocking dopamine receptors in the brain
Older antipsychotics, known as conventional antipsychotics, block the D2 receptor and improve positive symptoms. Unfortunately, these conventional antipsychotics also block D2 receptors in areas outside of the mesolimbic pathway.</span>