I'm guessing the answer is a
Answer:
Answer is A. Vicariance does not require organisms to disperse.
Explanation:
Vicariance occurs when there is a sudden occurrence barrier , such as geographical area barrier that cause the isolation of species of organisms.
Dispersal involves the movement of the organism while vicariance is the change in environment due to sudden occurrence in the area.
In this case, vicariance does not involve movement of organisms while dispersal involves movement of organisms.
All food chains begin with producers
Answer:
Adult cottonmouths are brown.
Explanation:
An observation is a fact that you can clearly see and don't have to guess if it is true or not.
Answer:
d-The client most likely has a dual diagnosis since she has both a substance dependence and depression.
Explanation:
What is dual diagnosis?
An individual with dual diagnosis shows both a mental disorder and an alcohol or drug situation. These situations is seen in unison more often. Nearly half of people who shows a mental disorder do express substance use disorder at a point or the other. The interrelationship of the two situation can worsen both.
Why do substance use disorders and mental disorders is often seen in unison?
Thou they occur together, but it can't be said that one prompt the other, even if one started earlier as in our case study.
There are three reasons showing why they occur in unison:
•Generally, risk factors may lead to both mental disorders and substance use disorders. Such as genetics, stress, and trauma.
•Mental disorders can lead to drug use and substance use disorders. Using drugs or alcohol to find relief (self-medication). This could lead to addiction.
•Substance use and addiction can contribute to the occurrence of a mental disorder. Causes brain changes.
What are the treatments for dual diagnosis?
Individuals with dual disorder should treat both conditions. For the treatment to be operative, there is need to abstain from alcohol or drugs. Treatments may involve behavioral therapies and medicines. Also, support groups importance for emotional and social support cannot be neglected.