Examlex
Ecologists want to understand ecological changes as a forested area is cut and then begins to recover.They measure the number and evenness of species present at the beginning (before cutting) and at different times after cutting.They are measuring changes in which ecological characteristic?
White Blood Cell
Leukocyte; a blood cell with a role in housekeeping and defense. Lymphocytes are a special category of white blood cells that carry out adaptive immune responses.
Antigen-Presenting Cell
Immune cells that process and present antigens to T-cells, initiating an immune response by showing them what to attack.
Dendritic Cell
A type of immune cell that presents antigens to T cells, initiating an adaptive immune response; pivotal in mediating immunity and tolerance.
Autoimmune Disease
A condition where the body's immune system mistakenly attacks its own cells, tissues, or organs.
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