Biomes, Food Chains and Food Webs Video
Name: _________________
http://www.teachertube.com/members/viewVideo.php?video_id
=144619
1. What kind of organism is always at the bottom of the food
chain? Therefore, what is the ultimate energy source for
ecosystems?
2. Draw a stylised food chain, with the names of the groups at
each level
3. Add an example of an organism that fits into each group in
your food chain
4. What are two other names for Primary Consumers?
5. What trophic levels (or level of the food chain) do predators
fit into? What about prey?
8:30min
6. What nutrient can a carnivorous plant acquire from insect
prey?
22min
7. What is the difference between a scavenger and a predator?
What do you think a grazer does?
8. In the deep oceans, there is no sunlight. How does a deep
ocean food chain cope with this?
9. What is the danger of relying on the eruptions of underwater
volcanoes for energy?
10.
Where does all the nourishment come from for the
organisms living on an extinct underwater volcano?