What is the definition of a population?
What are the factors that control population size?
What happens when the birth rate is equal to death rate?
List three characteristics of a population.
What is population density?
A population that is increasing in size is shaped like a .....
A population that is smaller at the bottom than the top is....
What factors increase the likelihood of a stable population?
How could a country with a increasing population change their population to a stable population size?
What technological advancements have contributed to long life expectancies?
What is a prey?
What is a niche?
What is the relationship between a niche and competition?
How does competition control population size?
What is a parasite?
List the factors that limit population size.
Explain how limiting factors affect population size.
What does density independence mean?
What does density dependence mean?
Two species of bacteria are grown together in a petri dish. One reproduces more than the other. What factor is likely limiting growth, and is it density independent or density dependent?
Name the two types of growth curves.
What is carrying capacity and in which type of growth curve is it seen in?
What happens to a population that exceeds carrying capacity?
Why does a population experience exponential growth?
Why is the human population currently experiencing exponential growth?
A group of individuals of the same species living in the same area
Birth rate, death rate, immigration, emigration
The population won't increase.
geographic distribution, density, growth rate.
Number of individuals in a certain area
triangle
decreasing in size
death rate is equal to birth rate; good healthcare, job opportunities, stable economy, plentiful food supply
Increase opportunities for education, stabilize food supply, improve healthcare
Vaccines, antibioitics, improved sanitation, improved surgical procedures
An organism that eat is eaten by another organism; could be a plant or animal
The role an organism has in its habitat.
No two species can survive in the same niche at the same time in the same place
In competition, only one species survives; the other species must emigrate or die, decreasing the population size
A parasite is an organism that benefits from a symbiotic relationship while the other organism is injured by the association.
Predation, Competition, Parasites, Disease
LImiting factors prevent populations from growing because the prevent individuals from moving in and reproducing successfully
Density independence is when a limiting factor affects a population regardless of population density.
Density dependence depends on the number of indviduals present in a population; as population increases in density, effects are greater
Competition is density dependent.
Logisitic and Exponential growth curves.
Carrying capacity is the number of individuals a population can sustainably support in an environment. Logisitic.
The population decreases due to starvation, disease, or some other density dependent factor
Populations can experience exponential growth because it is not limited by any factors.
The human population is experiencing exponential growth as humans have technological advancements that have allowed them to exceed their natural carrying capacity.
