2.2

Question 1

When is population growth highest in an exponential model?

Answer 1

Where the graph ends.

Question 2

When is population growth highest in a logistical model?

Answer 2

Where births and deaths cross.

Question 3

What is k?

Answer 3

Carrying capacity

Question 4

What is dN/dt?

Answer 4

growth rate

Question 5

What is t?

Answer 5

Time

Question 6

What is n?

Answer 6

Population size

Question 7

What is n(0)

Answer 7

initial population size

Question 8

What is r?

Answer 8

growth rate per capita

Question 9

What is density-dependent?

Answer 9

Relies on density (BIOTIC)

Question 10

What is density-indepedent?

Answer 10

Doesn’t rely on density (ABIOTIC)

Question 11

What is a flood?

Answer 11

density-independent

Question 12

What is starvation?

Answer 12

density-dependent

Question 13

What does an exponential graph look like?

Answer 13

It goes up and stays up

Question 14

What does a logistic graph look like?

Answer 14

It goes up til k and then down and stays at about k.

Question 15

How is pop. growth determined by deaths, immigration, births, and emigration.

Answer 15

More death and emigration is less growth
More birth and immigration is more growth

Question 16

How does a logistic graph change when r changes?

Answer 16

The time that the line curves up changes

Question 17

How does an exponential graph change when r changes?

Answer 17

The time that the line curves up changes.

Question 18

How does a logistic graph change when k changes?

Answer 18

The population can be larger or smaller and will adjust.

Question 19

How does an exponential graph change when k changes?

Answer 19

IT DOES NOT

Question 20

How does a logistic graph change when N changes?

Answer 20

It grows more faster

Question 21

How does an exponential graph change when N changes?

Answer 21

It grows more faster