Food Chains, Food Webs, and Energy Pyramids

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

How many primary consumers are there in this food web?

Back

4

Front

What percentage of energy is passed on to each tropic level?

Back

10%

Front

How do producers obtain energy?

Back

They conduct photosynthesis.

Front

A food web can be broken down into several separate: food chains, food pyramids, producers, consumers

Back

food chains

Front

What is a fitting description for this diagram? Options: A Food Chain, An Ecosystem, A Food Web, Biotic and Abiotic Factors

Back

A Food Web

Front

The Mayfly is a food source for which 3 organisms? Options: Frog, Dragon Fly and snake, Frog, trout and dragon fly, Frog, salamander and trout, Frog and phytoplankton

Back

Frog, salamander and trout

Front

Bacteria and fungi typically serve what role in an ecosystem? Options: herbivore, carnivore, omnivore, decomposer

Back

decomposer