What Is an Invasive Species

question 48

Multiple Choice

What is an invasive species?

• A) a nonnative species that often outcompetes native species, leading to their extinction
• B) a native species that evolves a new trait and occupies more ecological niches
• C) a nonnative species that enriches the species diversity of a new ecosystem
• D) a nonnative species that often outcompetes native species, leading to evolution
• E) a nonnative species that eventually becomes extinct

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Definitions:

Series RL Circuit

An electrical circuit composed of resistors (R) and inductors (L) connected in a series configuration, affecting the phase and amplitude of the circuit's response.

Inductive Reactance

The resistance offered by an inductor to alternating current, which varies with the frequency of the current and the inductance, also measured in ohms.

Power Factor

A dimensionless number between 0 and 1 that represents the ratio of the real power flowing to the load to the apparent power in the circuit.

True Power

The portion of power, measured in watts (W), that performs real work in a circuit, as opposed to apparent power which also includes reactive power.