Limitations
Mono Lake
Food Web
Vocabulary
Biotic vs. Abiotic
100
What is a limitation?
The limit, or end, of what something can do or show us.
Synonym: restriction, constraint
100
Name a biotic factor from Mono Lake.
Algae, fish, birds, shrimp, brie flies
100
What is a food chain?
A food chain is a sequence of organisms that eat one another.
100
What is a producer?
An organism that produces their own food.
100
What does biotic mean?
An organism that is alive
200
What is a model?
Extra points: Draw an example of a Food Web Model on your board
A picture or graph that represents a more complicated event or process.
200
Name an abiotic factor from Mono Lake
Water, tufa towers, salt, rocks
200
How is a food web different than a food chain?
A food web is all the feeding relationships in that ecosystem, not just one chain. (Illustrate?)
200
What is a consumer?
An organism that eats other organisms.
200
What does abiotic mean?
Something that is not alive.
300
What are the limitations of this model?
Answers may vary:
Only shows feeding interactions
Doesn't show how much food transfer is happening
Doesn't show population size
300
The pH of Monolake is 10. What is the base, or even pH level (neither acidic or base)
7
300
Make a food chain between wolves, sheep and grass.
Arrow from grass to sheep to wolves
300
What is a decomposer?
An organism that eats the dead material of other organisms.
300
Is wood biotic or abiotic? Why?
Wood was part of a tree, which was alive, so it is biotic.
400
What are the benefits of this model?
Answers may vary:
It shows the relationship between the animals.
Clearly shows what eats what
400
Draw a food web between the algae, shrimp, brine flies and gulls that inhabit Mono Lake
Arrow from alge to shrimp and brine flies. Arrow form brine flies to gulls.
400
Make a food web between wolves, sheep, humans, grass and rabbits.
Arrows from grass to rabbits and sheep, from them to humans and wolves.
400
How do producers make their own food?
Usually through the process of photosynthesis.
400
Bacteria is abiotic.
True or False? Why?
False, bacteria are single celled organisms, but they are still organisms, and so still alive.
500
Where is Mono Lake?
California
500
Why does the arrow go from predator to prey, and not the other way around?
The arrow goes in the direction that the energy flows.
500
Why is it harmful to have too many consumers, and not enough producers?
If there are too many consumers, they eat all the producers, and then starve when there is not enough food left.
500
What does the "a-" in "abiotic" represent?
It is the prefix for "not-" or "un-"