WorksheetsBIO Quiz
Total questions: 23
Worksheet time: 12mins
Think About It….
Some carbon exists in the atmosphere. In what form does it exist?
(a)
Think About It….
How is this atmospheric carbon harvested from the atmosphere?
(a)
Think About It….
What specific process is used to capture carbon during photosynthesis?
(a)
Food chains identify the steps of energy transfer The robin is a…
Primary producer
Primary consumer
Secondary consumer
Tertiary consumer
Quaternary consumer
Wolves don't eat cottonwood, so the wolf population does not affect the cottonwood population.
True
False
What can be said about the graph?
If we change nothing about our behavior, the red line predicts the change in temp.
Even taking extreme measures will still result in a temp increase.
The earth used to cool on its own.
All of the above
The minnow fry is a…
Primary producer
Primary consumer
Secondary consumer
Tertiary consumer
Succession after Mt. St. Helens’ eruption 1985 2002 Succession produces a change in species composition This is an example of…
Primary succession
Secondary succession
Why are not all forest fires bad? (Oh no...was Smokey Bear wrong?)
Forest fires can remove the soil and lead to primary succession, paving the way for new species.
Forest fires help "level the playing field" by clearing out potentially dominating species, thereby increasing species richness and diversity.
Forest fires can target keystone species.
Smokey was right! They are bad!
A human eating a salad would be a…
Primary producer
Detritivore
Secondary consumer
Tertiary consumer
Primary consumer
What symbol did you place next to aspen?
+
-
Why do moderate levels of disturbance result in an increase in community diversity?
The environmental conditions become optimal.
The resulting uniform habitat supports stability, which in turn supports diversity.
Less-competitive species evolve strategies to compete with dominant species.
Competitively dominant species infrequently exclude less competitive species after a moderate disturbance.
Habitats are opened up for less competitive species.
How does eutrophication affect O2 levels in an aquatic ecosystem?
A) Eutrophication leads to depletion of O2
B) Eutrophication results in an excess of O2
C) Eutrophication does not affect O2 availability
The volcanic oceanic island of Krakatoa is located in Indonesia. In 1883, this island experienced a massive volcanic explosion that killed most of the plants and animals living on the island. After recovery from the eruption, which group of animals would we expect to re-colonize the island first?
Lizards
Birds
Beetles
Elephants
It would depend on how much grass is eaten by elk versus mice. What symbol did you place next to the wheatgrass?
+
-
A parasitic plant lives on a tree branch and penetrates the vascular tissues of the host plant, stealing water and phloem sap from the host. This is an example of _____.
Consumption
Competition
Commensalism
Mutualism
A human who just ate a hamburger is eaten by a shark while swimming. The shark is acting as a _____.
Producer
Detritivore
Secondary consumer
Tertiary consumer
Primary consumer
Which species interaction is affected by prey density and effectiveness of prey defenses?
Consumption
Competition
Commensalism
Mutualism
Which of the following processes can return water to the atmosphere?
A) evaporation
B) condensation
C) precipitation
D) runoff
Which of the following is true?
CO2 amounts are measured in ppb.
CH4 measures at 1950 ppb in 2000.
N2O measures at 1250 ppb in 2000.
All three gases began increasing around year 1200.
More realistic – a Food Web If robins and lizards are both secondary consumers, which would be a better source of biomass?
Robin
Lizard
Neither
Reintroduction of wolves at Yellowstone caused a trophic cascade – changes two or three levels away What will happen to the number of hawks?
increase
decrease
1995: Reintroduction of wolves at Yellowstone caused a trophic cascade – changes two or three levels away What happens to grass consumption by elk?
+
-
