It allows the individual in a populations to survive and have offspring with the desire trait needed to live while those without will die out
Sustainability refers to how a system remains biodiverse and productive over long periods of time. Succession is a series of predictable changes that occur in a community over time. After a fire, volcano, or other disaster, succession enables an ecosystem to recover.
I guess it should be deletion
The correct answer is d. it is mainly there to prevent any noxious substance from inner into the gut.
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An omentum is a layer of the peritoneum (the serous membrane that lines abdominal cavity) that surrounds abdominal organs. It is known that omentum plays a role in immune responses. Omentum contains the clusters of white blood cells (lymphocytes), called “milky spots” which have the first-line defence role in the immune system. When a noxious substance is present, the "milky spots" induce the release of inflammatory molecules.</span>
The answer is D: test possible choices and then avoid ones that are not desirable.
