Population growth and carrying capacity

Question 1

Population can be defined as_______.

Answer 1

A group of organisms of the same species living together in the same geographical location at the same time

Question 2

Describe the Lag phase

Answer 2

Organisms have just begun to settle. Most are young, so reproduction is slow. They are getting used to the environment.

Question 3

Describe the Log/Exponential phase

Answer 3

Organisms have now been well adapted. Reproduction rate is high (biological potential realized). Abundance of resources available.

Question 4

Describe the Stationary phase

Answer 4

Environmental resistance begins to operate as carrying capacity is reached. food and resources as they become less available. Population size stabilizes.

Question 5

Biotic potential refers to the ________ ________ ____ a species can attain.

Answer 5

maximum reproductive rate

Question 6

Carrying capacity is the ____.

Answer 6

maximum population size of a species that a habitat can support for an extended period without disturbance.

Question 7

What is environmental resistance?

Answer 7

the force of the limiting factors acting together, preventing the maximum reproductive potential from being achieved.

Question 8

Limiting factors are___

Answer 8

abiotic or biotic factors that limits the number of individuals living in an area or population.

Question 9

What is the difference between density-dependent and density-independent

Answer 9

density dependent is biotic while density independent is abiotic.