2.2 Study Guide

Question 1

What is the equation for positive growth?

Answer 1

B+I>D+E

Question 2

What is the equation for negative growth?

Answer 2

B+I<D+E

Question 3

What is the equation for no growth?

Answer 3

B+I=D+E

Question 4

What will happen on an exponential graph when the time is on the x axis and size is on the y axis as time increases? Why?

Answer 4

As time increases the size on the y axis will also increase. This is because the growth rate is going to continue to get faster once more people reproduce over time and the population will grow.

Question 5

Can exponential growth happen forever? Why?

Answer 5

No it cannot because it reaches something called a carrying capacity which is the maximum size of a population an environment can hold without degration.

Question 6

What does N stand for on a growth model?

Answer 6

It represent population size.

Question 7

What does t represent on a growth model?

Answer 7

time

Question 8

what does dN/dt represent on a growth model?

Answer 8

Population growth rate.