The definition and types of sound devices.
The definition and examples of symbolism in literature.
The definition and importance of hydrogen bonds.
The definition and importance of osmosis.
The definition and importance of homeostasis.
The definition and examples of habitat destruction.
Definition and examples of endangered species.
Definition and examples of sustainable development.
The definition and explanation of cladistics.
An overview and definition of ecology.
How to graph y = tan(theta) for 0 <= theta < pi/2.
How to find the x-intercepts and vertical asymptotes of the graph of y = tan(q).
How to evaluate expressions like tan(sin (4/5))^(-1).
How to find the graph of a logarithmic equation with a base greater than one.
How to evaluate the tangent of 3*pi/4.