Answer:
Option C
Explanation:
Option A is incorrect as mutations may be detrimental to the organism and are not always beneficial. Option B is incorrect as there are instances where mutations may enable organisms to be better adapted to the environment. Option D is incorrect as genotypes are not selected for or selected against by environmental pressures, it is only the phenotype (exhibitable/ visible traits) that can be selected for or against, hence option C is the answer.
Answer:
Mass movement causes regolith and rock to move down-slope where sooner or later the loose particles will be picked up by another transporting agent and eventually moved to a site of deposition such as an ocean basin or lake bed
Answer:
The correct pair is -'d' that is nuclear accumbens-reward.
Explanation:
The location of nuclear accumbens is the basal region of fore brain.This is the part of basal ganglia.
This is an important part of ventral striatum along with dorsal striatum which from the basal ganglia.
The main structure of nuclear accumbens are core and shell.
The shell region is also called as NAcc shell is located in the outer region of the nuclear accumbens also called as dorsal amygdala.
The core region NAcc core is located in the inner region of the nuclear accumbens and considered to be a part of basal ganglia.
This region control the reward and punishment centers that are present in the brain. This contain another function which is associated with psychotic problem such as depression, addiction and ablation etc.
I'm not sure, but the prefix "bi" means "two" so I would say two divisions. Hope I helped! :)