No because if you take that out , it acts like a skeleton so if you take that out, it will spill it contents out and won't really do any thing
B) the cattle would have to convert the cellulose structure into starch
The statement is true that T-cells are a type of immune cell system that recognizes pathogens in the body.
T-cells are the lymphocytes that are involved in providing acquired immunity to the body. They can recognize the pathogens presented by the antigen presenting cells. There are two types of t cells: helper T cells and Cytotoxic T cells.
Immune cells are the cells of the immune system that are involved in protecting the body from infection, allergies and foreign pathogens. There are several immune cells that perform several functions. The example of such cells are: phagocytes, lymphocytes, dendritic cells, etc.
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<span>D) an increasing number of resources and niches become available for animals.</span>
