Food web and energy flow

Front

What does a food web represent?

Back

All connections of energy flow throughout all organisms in a ecosystem.

Front

Which organism do the owl and the weasel compete for in the food web? Options: Hawk, Spider, Grasshopper, Shrew

Back

Shrew

Front

What might happen if you remove a primary consumer from the ecosystem?

Back

The number of plants would increase.

Front

Which of the following would be the most likely effect, if there were a sudden increase in the cricket population? Options: There would be a decrease in the small bird population., There would be a decrease in the grass/flowers population., There would be a decrease in the mice population., There would be an increase in the grass/flowers population.

Back

There would be a decrease in the grass/flowers population.

Front

Which organism receives the least amount of energy from the producer? Options: Owl, Grasshopper, Lilypad, Mouse

Back

Owl

Front

Which level has the most energy available? Options: producer, primary consumer, secondary consumer, tertiary consumer

Back

producer

Front

Which level has the most energy available? Options: producer, primary consumer, secondary consumer, tertiary consumer

Back

producer

Front

How much energy is available to be passed on to the next trophic level in an ecosystem? Options: 100%, 10%, 50%, 75%

Back

10%

Front

In this food chain, the bacteria is most likely acting as a - predator, competitor, decomposer, producer

Back

decomposer

Front

An organism that needs to eat other organisms to obtain energy is known as a:

Back

Consumer