vocabulary
abiotic factor
Abiotic factor is a factor that is not living such as weather, rivers, rocks, etc.
Every food web starts with what?
The sun
One role of the producer in the food chain is ….
a. water for plants
b. sunlight for plants
c. nutrients for animals
d. shelter for animals
c. nutrients for animals
Which of these things did we say in class were systems?
National Parks, Trials and Rivers, Ecosystems, the Human Body, or Earth Systems.All of them.
How did the wolves disappear from Yellowstone National Park?
Farmers and Ranchers killed them.
Biotic factor
In the Mono Lake ecosystem, the Gulls and Phalarope are part of the same food web. Both rely directly on shrimp for energy. Which statement best describes the shrimp in this food web?
producer, decomposer, primary consumer, or secondary consumer?
primary consumer
Which statement is an example of how humans could possibly change the Mono Lake Environment?
a. wind and rain makes it flood.
b. sun's energy help the algae population grow quickly.
c. nearby farmers add a lot of fertilizer to their fields and it is in the runoff
d. the population of the birds increase?
c. nearby farmers add a lot of fertilizer to their fields and it is in the runoff
Which word finishes the statement that best describes the relationship between the amount of light exposure (day time) and the temperature of water.
As the hours of daylight increase, the temperature of the water (decreases, increases or stay the same).
increases.
Where do wolves fit into the food web?
energy, producer, primary consumer, secondary consumer?
secondary consumer
producer
An organism that makes its own food using energy from the Sun
In the Mono Lake ecosystem, the Gulls and Phalarope are part of the same food web. Both rely directly on shrimp for energy. Which statement best describes the Gulls in this food web?
producer, decomposer, primary consumer, or secondary consumer?
secondary consumer
Many bacteria are decomposer organisms. Which of the following best describes how these bacteria help make the soil more fertile?
a. The bacteria break down water into the food.
b. The bacteria changes sunlight into minerals.
c. The bacteria combines with sand to form rocks.
d. The bacteria break down plant and animal matter.
d. The bacteria break down plant and animal matter.
Name one way animals can change and environment and one way humans can change an environment.
Answers will vary....
Which word finishes the statement that best describes the relationship between the wolf population and the number of Elk living in Yellowstone.
As the number of wolves increase, the population of Elk (decrease, increase or stay the same).
decrease
consumer
An organism that eats another organism.
Sun ___ Algae ____ Brine Shrimp___ Phalarope (bird)
Identify them as energy, producer, or consumer
Sun is energy
Algae is producer
shrimp and Phalarope are consumers
The energy that is stored in algae originally comes from ...
a. air
b. soil
c. sunlight
d. water
c. sunlight
A desert lake has evaporated to half it size over the past 5 years. This caused a large increase in the lake's salt concentration. Over these past 50 years, scientists have observed a decrease in the population of one fish species and an increase in the population of shrimp species. Which hypotheses or claim does this evidence support?
a. Fish are better able to live in areas of high concentration of salt.
b. Shrimp are better able to live in areas of high concentration of salt.
b. Shrimp are better able to live in areas of high concentration of salt.
What scavengers came to eat the Elk after the wolves had eaten their share?
Coyotes and other birds (eagles, vultures)
photosynthesis
A cellular process where an organism converts light energy form the sun into chemical energy that is used for survival.
California Gulls live near the lake and depend on the same organism for food as the Phalarope.
They are....
a. Competing b. decomposing
c. germinating d. hibernating
a. competing
sun___ algae___ shrimp____ phalarope
If the algae did not grow as much and the population of shrimp decreased, population of phalarope would most likely….
decrease, increase, or remain the same?
decrease
The temperature of the water in Mono Lake allows the algae to grow in the winter months. Which of the environmental changes would most likely cause a decrease in the amount of algae in the Mono Lake ecosystem?
a. A rainstorm lasting several weeks.
b. A drought lasting several months.
c. Unusually high temperatures during the months of Jan, Feb and March.
d. Unusually low temperatures during the months of August and September.
c. Unusually high temperatures during the months of Jan, Feb and March.
How did the scientist know the age of the Elk the wolves had killed?
The bone marrow and how much they had grinded their teeth.