Population Ecology Learning Check

What does the term "Population" refer to in biology?

• A group of different species living in different places.

• A single organism living in a specific habitat.

• A group of organisms of the same species living in the same place.

• A community of various organisms interacting in a forest.

What does population density measure in a biological context?

• The size of an area inhabited by organisms

• The number of species in a community

• The number of individual organisms living in a defined space

• The rate of population growth

Which of the following factors does NOT affect population density?

• Birth

• Immigration

• Emigration

• Climate

What term is used to describe the death rate in population studies?

• Mortality

• Fatality

• Lethality

• Causality

Which factor increases population density?

• Emigration

• Immigration

• Mortality

• Natural disasters

Which factor decreases population density?

• Birth

• Immigration

• Emigration

• None of the above

What term describes the theoretical maximum population that a given environment can support?

• Growth limit

• Carrying capacity

• Population threshold

• Environmental ceiling

Which type of population growth is characterized by a rapid increase followed by a stabilization at the carrying capacity?

• Exponential growth

• Logistic growth

• Linear growth

• Declined growth

Which example best represents exponential growth?

• Human population

• Rabbit population

• Tree population

• Fish population

In which type of growth does the population grow without limit?

• Logistic growth

• Exponential growth

• Stabilized growth

• Reduced growth