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Answer:
Harmful
Explanation:
When you have an autoimmune disorder, your immune system does not distinguish between healthy tissue and potentially harmful antigens.
<span>Osteoclasts
</span><span>Are derived from stem cells that produce macrophages
Secrete acids and protein-digesting enzymes</span>
Answer:
B) Mutualism
Explanation:
In mutualism both organisms benefit. The organisms in this example are the fungus and the ants. The ants provide food to the fungus so that it can live. In return the fungus provide food for the ants.
