The answer is C. They move into an ecosystem :)
Answer:
A.? i'm not 100% sure tho
Explanation:
Answer:
<em>Evolutionary approach</em>
Explanation:
Evolutionary psychology can be described as a branch of psychology under which theoretical approaches to certain behaviours and their relationship to evolution and natural selection are studied. In simple terms, this evolutionary approach tends to explain that how evolution has influenced and shaped our mind and our behaviour. It is the relationship between evolution and behaviour and hence shows a broader relationship between the fields of evolution and psychology.
Answer:
Mechanical barriers — which include the skin , mucous membranes , and fluids such as tears and urine — physically block pathogens from entering the body. Chemical barriers — such as enzymes in sweat , saliva , and semen — kill pathogens on body surfaces.
