Food Chain/Web Quiz Review

The arrows in the diagram represent

• what the animal will eat (pointing to).

• the order of increasing size.

• where the energy flows.

• the order of increasing complexity (more complex organisms).

Every time an organism eats another organism, some of the energy is the eaten organism gets lost as _________________.

Only ___% of the energy goes from one trophic level to the next higher level.

___% of the energy gets lost as it travels from one trophic level to the next higher level.

The word "trophic" has something to do with

• levels.

• life.

• food.

• ecosystems.

The reason it gets smaller as you go higher up the pyramid is because

• the animal get smaller (their size).

• the amount of food these animals at the higher levels eat is much smaller than the amount the animals at the lower levels eat at each meal.

• the sun shines less in the areas where those animals live.

• the total number and biomass of all animals at that level gets smaller.

The fox in this food web example would be considered a

• producer.

• primary consumer.

• secondary consumer.

• tertiary consumer.

Mushrooms, like breakdown dead organisms into smaller molecules, that go back into the soil and provide nutrients to producers and get cycled back into the food chain are known as

• herbivores.

• decomposers.

• tertiary consumers.

• autotrophs.

Which terms would also fit with producers?

• herbivores

• autotrophs

• heterotrophs

• consumers

Which of the following would be considered a carnivore?

• mouse

• snake

• rabbit

• grass