Water Quality
What does salinity represent in water?
Saltiness.
Polaris.
What is a Cladogram?
A visual representation of evolution.
What is a abiotic factor?
A non-living thing in an ecosystem.
What is a bar graph?
A graph where the x axis is non numerical and the y is numerical.
What subtracts from Dissolved O2 in water?
How do you find the North Star?
The pointer stars of the Big Dipper.
What is a keystone species?
A top predator vital to the ecosystem, that without it there is a trophic cascade.
What is a biotic factor?
A living thing in an ecosystem.
True or false? A linear graph is often used to show change overtime?
True.
True or False? Nitrates and Nitrites are the same thing.
False
What is it called when a star explodes?
A supernova.
What is a trophic cascade?
How top predators influence the rest of the ecosystem if added or removed.
True or false? Water is a biotic factor.
False.
What is a scatter plot?
A graph used to show correlation between the x and y variables without a trend.
What does turbidity refer to?
Water clarity.
What are stars made of?
Gas, primarily hydrogen and helium.
What is a clade?
A group of organisms that includes a common ancestor and all of its descendants.
True or false? A fish is a abiotic factor.
False.
What goes on the x axis of a graph?
The independent variable.
What does the PH level measure?
The acidity.
What is the Ecliptic Line?
The path of the sun across the sky as seen from Earth.
What is a derived character?
A trait that arose in the most recent common ancestor of a particular lineage.
True or false? Algae is a biotic factor.
True!
What kind of graph should you use when measuring how many people buy two different brands of a product?
A bar graph.