Energy in the Ecosystem WebQuest

Name __________________________________________ Date _____________ Hour ______
Energy in the Ecosystem WebQuest
1. Go to http://www.zephyrus.co.uk/foodpuzzlechain.html and complete the food chain “quiz.”
Make sure to answer these questions as you go. [In other words, all of these questions can be
answered by the information found as you work through this quiz.]
a. Green plants make their own food, so they are called _______________________.
b. What is a predator?
c. What is an example of a producer that fish could eat?
d. What is the general term for organisms that live in soil and fallen leaves on the forest
floor? What is one example of them?
2. Go to http://www.sciencebob.com/lab/q-web-chain.html and answer this question: What is the
difference between a food chain and a food web?
3. Go to http://www.cas.psu.edu/DOCS/WEBCOURSE/WETLAND/WET1/identify.html and
answer these questions.
a. List the organism(s) that are producers.
b. List the organism(s) that are consumers.
c. Draw three food chains found within this food web.
d. How many different food chains can you find in the food web pictured?
e. What is missing from this food web?
4. Go to http://www.crickweb.co.uk/assets/resources/flash.php?&file=foodchains to answer these
questions. After reading through the introductory page, click on the “next” button in the upper
left-hand corner.
a. Select “River” Habitat: Write out the food chain.
b. Select “Woodland” Habitat: Write down the food chain.
c. Select “Seashore” Habitat: Write down the food chain.
5. Go to http://drake.marin.k12.ca.us/stuwork/rockwater/PLANKTON/Food%20Chain.htm to
answer these questions.
a. Why are phytoplankton so important to the marine (water) ecosystem?
b. From the information provided, what do you think is the difference between phytoplankton
and zooplankton?
6. Go to http://www.vtaide.com/png/foodchains.htm to answer these questions.
a. In any ecosystem, there are fewer carnivores than herbivores. Why? [Your answer needs
to specifically include a description of how energy is transferred.]
b. Why would it be extremely rare to find a food chain with nine links in it?
7. Go to http://www.elmhurst.edu/~chm/onlcourse/chm110/outlines/foodenergy.html to answer these
questions.
a. As energy passes to a higher trophic level, approximately ______ of the useful energy is
lost.
b. What is the benefit to a society if everyone reduces the amount of meat they eat? [Use the
concepts discussed with energy in the ecosystems to answer this question.]