Answer:
because of continous radiation exposure, bone marrow got destroyed and the ability to produce immunity is reduced
granulocytes
monocytes
nk cells
etc
Answer:
"The smallpox vaccine does not contain smallpox virus and cannot spread or cause smallpox. However, the vaccine does contain another virus called vaccinia which is live in the vaccine. Because the virus is alive, it can spread to other parts of the body or to other people from the vaccine site."
[Copy and pasted from a medical website]
Over utilized plants and animals are those plants and animals which are almost going out of existence or are already extincts as a result of over use by humans. Examples of over utilized animals include: West African Black Rhinoceros, Passenger pigeon, Sea mink, Tecopa pupfish, Pyrenean ibex and Tasmanian tiger.
True breeding is when the plants are allowed to self-pollinate, the organism will produce a product identical to themselves
Allow the blue flower to self pollinate with another blue flower, making the offspring a true blue flower
