a universal donor a; has only antigen A in her red blood cells b;lacks antigens in red blood cells c;has both antigens and antibodies in her blood d;lacks antibodies in her serum

Lacks antigens in the red blood cells. No antigen means no immune response, thus considered universal donor. B

nucleus

would be most reasonable answer tbh

correct answer: understand the different control methods available

integrated pest management is an strategy that is based on the ecosystem and try to prevent the pest and the damage caused by them by applying combination of technique like habitat manipulation, biological control and use of resistant varieties.

the main aim of the integrated pest management is not to completely eliminate the pest but to strengthen the ecosystem so that conditions are favorable for plants and unfavorable for pests.