Metric System and Graphs
What is 1/100 of a meter?
A centimeter
What is a scientifically correct hypothesis?
An "if...then...because" statement.
What does extirpation mean?
To be extinct in one area.
Is Wikipedia a quality source?
No, because anyone can add to it making the information not trust worthy.
What does Ppm stand for?
Parts per million.
Which variable goes on the x-axis of a graph? What variable goes on the y-axis?
X-axis: Independent Variable, Y-Axis: Dependent Variable
What are the key components of a scientific observation?
Zoom bubble, detailed sketch, labels, and a summary description.
True or False? When the wolves disappeared from Yellowstone National Park, every species was positively affected?
False. The deer were positively affected, however, many of the plant species were not.
How does the difference in Rock Pocket mouse color show evolution in action?
It shows evolution because of how the mice's skin color changed in order to adapt to a new environment.
True or false, the same amount of atmospheric CO2 is always on Earth?
True, the same amount of atmospheric CO2 always remains on Earth.
Which graph is used to observe the relationship between two variables and cannot be predicted?
Scatter plot
What does the start and finish represent in a cladogram?
The start is something all the species share while the finish is a trait that one animal has.
What is a keystone species in an ecosystem?
An important species, normally a predator, that every other living thing in an ecosystem depends upon.
It is a trait that helps organisms survive in their environment, reproduce, and live longer. EX: Having thicker fur gives Artic animals a selective advantage in cold environments.
What is the difference between an autotroph and a heterotroph in an ecosystem?
Autotrophs make their own food (auto- makes itself), heterotrophs eat other organisms for food (hetero- different from itself)
What are the three base units in the metric system and what do they stand for?
Liters (volume), meters (distance), grams (mass/weight)
Why would you use a cladogram?
It is a simple way to organize and understand evolutionary history.
How does a trophic cascade happen?
A trophic cascade happens when one species disappears from an ecosystem and every species in that ecosystem is affected. (Domino effect, can be positive or negative)
True or false, a source that ends with .gov is a quality source?
True. Any website ending with .gov means it is a government website meaning it is trustworthy and credible
What is the difference between abiotic factors and biotic factors of an environment?
Biotic factors are living or recently living while abiotic factors are not living.
What is found by adding different values and then dividing by the amount of values?
The average
What is a trait that could be shared by all mammals on a cladogram?
EX: All mammals have hair and do not lay eggs
What is the highest predatory consumer on the trophic pyramid?
Tertiary consumer (shark, lion, etc.)
The black mice blended into the black rock better, therefore predators had a harder time seeing them. The brown mice were more easily spotted by predators on the black rock because they stood out.
Evaporation turns water into water vapor and condensation turns the water into clouds. Then falls back to Earth when rain or snow falls causing precipitation.