Population Size

Question 1

How can you spot logarithmic scales?

Answer 1

-equal intervals represent equal multiplication of value

Question 2

What does reproducing at an exponentially rate mean?

Answer 2

-the rate of increase is proportional to the number of organisms
-or the population increases faster than the time

Question 3

What are 6 abiotic factors affecting population?

Answer 3

1. pH
2. temperature
3. water
4. oxygen
5. nutrients
6. others

Question 4

What are limiting factors?

Answer 4

-seen as limiting carrying capacity

Question 5

What is carrying capacity?

Answer 5

-the maximum population that can be supported

Question 6

What are the 2 factor that bacterial populations lack?

Answer 6

-immigration and emigration

Question 7

What are density independent factors?

Answer 7

-natural disasters, fires and storms

Question 8

What are density dependent factors?

Answer 8

-predators, disease and competition

Question 9

What are 4 biotic factors affecting population size?

Answer 9

1. interspecific competition
2. intraspecific competition
3. predation
4. disease

Question 10

What is a predator-prey graph?

Answer 10

-size of predator and prey population fluctuate
-more prey than predators
-size of prey will change before predator

Question 11

What does the population growth curve consist of?

Answer 11

1. slow growth
2. rapid growth
3. stable state due to limiting factors