Answer:
When viruses attack cells, they release genetic material that is coded to multiply, then the cells divide and more viruses are spread, the viruses do not eat.
Explanation:
B) They supply the body’s cells with oxygen
Developing Nations currently produce about 2600 kcal of food per person per day. The growth in food consumption around the world has been accompanied by a significant structural changes and a shift in the diet away from the staple foods such as roots and tubers towards more livestock products and vegetable oils.
<em><u>Plants</u></em> : plants are generally <em><u>autotropic</u></em> living organisms, that prepare their own food by using simple substances through <em><u>photosynthesis</u></em>,
eg. maple, bamboo, etc.
<em><u>Consumers</u></em>: these are living organisms that doesn't produce their own food and depends upon <em><u>producers</u></em> and other <em><u>consumers</u></em> for food.
eg. Human, rat, etc
<em><u>decomposers</u></em> : these are living organisms that break down the <em><u>dead</u></em> and <em><u>decaying</u></em> body of organisms to obtain their food,
eg. bacteria, mushrooms, etc
<em><u>producers</u></em> : these are living organisms that produce their own food through process of <em><u>photosynthesis</u></em>.
eg. plants, cyano bacteria, etc