What Is a Keystone Species? Why Are Keystone Species So

question 70

Essay

What is a keystone species? Why are keystone species so important in ecosystems? Provide an example of a Canadian keystone species.

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Definitions:

Present Values

This is a concept in finance that calculates the current worth of a future sum of money or stream of cash flows given a specified rate of return.

Discount Rate

This rate is applied in the framework of DCF analysis for the purpose of calculating the current value of foreseeable cash flows.

Compounded Annually

Compounded annually refers to the calculation and addition of interest to the principal sum of a loan or deposit once every year.

Simple Interest

Interest calculated only on the principal amount, or on that portion of the principal amount which remains unpaid.