Answer:
I don't know much but try D srry I'm not good at it
The answer is inflammatory response. T –suppressor (now referred to as T-regulatory cells) are significant in the negative feedback loop in inflammation. Therefore they downregulate inflammation when an infection has been eliminated. Only when there is an infection in the body does other factors reduce the suppression by Tregs.
Answer:
The correct answer is b. morphological
Explanation:
Morphological species concept is also known as phenetic species concept. According to this concept if the organisms which are phenotypically (morphologically, anatomically and physiologically) similar are considered to be one species even if they are prevented to mate in between.
All the observable characters come under phenetic characters. For example, if two rhinos look same because they have horns they will be put in the same species even if they do not mate.
Therefore, the morphological species concept defines species boundaries based on the physical characteristics of populations.