Food chain

Which of the following is a producer?

• Rabbit

• Rat

• Rattlesnake

• Rice

At which level does the path of nutrients start?

• Producer at the first trophic level

• Consumer at the second trophic level

• Consumer at the topmost trophic level

• Decomposer at the top most trophic level

Which of the following refers to the producers in the ecosystem?

• Autotrophs

• Carnivores

• Heterotrophs

• Omnivores

What is the important role of producers in a food chain?

• They block the flow of energy in a food chain.

• They consume other organisms to obtain energy.

• They serve as the main source of food for the consumers.

• They keep the animal population at a reasonable number.

If there is a 50 kcal of energy in the third trophic level, how much energy in kcal was available at the first trophic level?

• 5 kcal

• 50 kcal

• 500 kcal

• 5,000 kcal

Which is NOT true about organisms at the highest trophic level in an energy pyramid?

• They are apex consumers.

• They can be meat and vegetable eater.

• They get the least amount of energy.

• They get the greatest amount of energy.

If there are 100,000 kilocalories of energy in the first trophic level, how many kilocalories are available to organisms in the second trophic level?

• 100 kilocalories

• 1,000 kilocalories

• 10,000 kilocalories

• 100,000 kilocalories

Which consumer helps the recycling of nutrients?

• Carnivores

• Decomposer

• Herbivore

• Omnivore

Which of the following organisms will a first-order consumer eat?

• Giraffes

• Goats

• Grasses

• Grasshoppers

What will happen if producers are removed from the feeding process?

• The feeding process will continue.

• The feeding process remains constant.

• The food chain and food web will not be possible.

• The food chain and food web will utilize animals as producers.