In Forest Ecosystems, Bears Often Eat a Varied Diet

question 185

Multiple Choice

In forest ecosystems, bears often eat a varied diet.Two food chains in which they may participate are: If bears eat only rodents, they are secondary consumers.If they eat both rodents and berries, they are omnivores.How will ecosystem NPP change if bears act as omnivores rather than secondary consumers?

• A) NPP will not change; the ecosystem needs a certain amount of primary production and will produce it.
• B) NPP will increase; the ecosystem will produce enough berry bushes to feed both bears and rodents.
• C) NPP will increase; bears control the populations of both rodents and berry bushes, resulting in higher NPP.
• D) NPP will decrease; rodents control berry bushes, but bears cannot control rodent populations because rodents are too numerous.
• E) NPP will decrease; bears benefit berry bushes by controlling rodents, but they also eat berries, which decreases NPP.

---

Definitions:

Average Starting Salary

The mean initial compensation given to employees in a specific job or industry, often used as a benchmark for job seekers.

Standard Deviation

Standard deviation is a measure of the amount of variation or dispersion of a set of values, indicating how much individual values deviate from the mean.

Normally Distributed

A statistical term describing how data points are distributed in a way that they form a bell-shaped curve, with most values clustering around a central mean and fewer occurring as they move away.

Average Starting Salary

The average starting salary is the mean salary offered to employees with no prior experience in a particular job or field at the beginning of their employment.