You performed a blood typing activity as described in the lab manual. you observed agglutination (clumping) with anti-b and anti-rh serum. based on the test results you can conclude that the blood type you tested was

The blood type is B+. The blood type depends on some protein substances called antigens present on the cell membrane of the red blood cells that help the cells to identify and communicate with each other. There are four types of blood types;
1- Blood type A which have antigens A on the red blood cells.
2- Blood type B which have antigens B on the red blood cells.
3- Blood type AB which has antigens A and B on the red blood cells.
4- Blood type O which have no antigens on the red blood cells.
There is a second type of antigens present on the red blood cells which is called rhesus. Rhesus may be present, so the individual will be positive (+) rhesus), or it may be absent, so the individual will be negative (-) rhesus.
To determine the blood type, we add anti-a and anti-b serums to two samples of the tested blood.
If the anti-a coagulates only, the person is blood type A.
If the anti-b coagulates only, the person is blood type B.
If the two samples coagulate, the person is blood type AB.
If the two samples don't coagulate, the person is blood type O.
To another blood sample from the same blood, we add anti rhesus, if it coagulates, the person is )+), if not the person is (-). 

Competition. interaction among organisms that compete for the same natural resource (food, shelter, water, space) in an ecosystem. predation. an interaction in which one organism kills another for food. predator. prey. symbiosis. mutualisum. commensalisum. parasitisum.

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