Answer: D. Species
Explanation:
Species is a group of population in which organisms have many common characteristics and they are capable of interbreeding and producing viable fertile offsprings. The members belonging to the same class and phylum have less common characteristics if they interbreed they may not produce viable fertile offsprings. Also, the organisms of the same kingdom have least common characteristics and will not have viable fertile offsprings after interbreeding.
Answer:
The correct answer is option c."niche-picking".
Explanation:
Niche picking is a psychological term used to describe the tendency of people choosing environments that complement their hereditary abilities, including making friends who share their abilities and interests. Marvin practice of choosing circumstances where he can practice his natural skills in playing hockey is an example of niche picking.
The medical term is DIAGNOSIS.
Diagnosis is a medical term which refers to the process of determining the disease condition that a patient is suffering from. Accurate diagnosis is made by examining the symptoms of the disease that the patient exhibits. Treatment can only be started after correct diagnosis has been made.