Tag: the biosphere

Questions Related to the biosphere

What is true of ecosystem?

  1. producers are more than primary consumers

  2. secondary consumers are the largest and most powerful.

  3. both a and b

  4. none of the above


Correct Option: A
Explanation:

Plants are called producers because they are able to use light energy from the sun to produce food (sugar) from carbon dioxide and water. Animals cannot make their own food so they must eat plants and/or other animals. They are called consumers. - 
Primary consumers are animals that eat primary producers; they are also called herbivores (plant-eaters). Secondary consumers eat primary consumers. They are carnivores (meat-eaters) and omnivores (animals that eat both animals and plants).

Acid rains are produced by _________.

  1. excess $NO _2 and SO _2$ from burning fossil fuels

  2. excess production of $NH _3$ by industry and coal gas

  3. both a and b

  4. none of these


Correct Option: A