Population Biology Quiz

What is the definition of population density?

• Number of individuals per unit area or volume.

• A group of individuals of the same species living in a specific area.

• Pattern of how individuals in a population are spaced.

• Maximum population size an environment can sustain.

Which term describes the maximum population size an environment can sustain?

• Limiting factor

• Carrying capacity

• Population distribution

• Demography

What does the term 'natality' refer to in population growth?

• Death rate within a population.

• Movement of individuals into a population.

• Birth rate within a population.

• Movement of individuals out of a population.

Which factor affects population regardless of density?

• Density-dependent factors

• Density-independent factors

• Logistic growth

• Exponential growth

What is the role of a niche in an environment?

• The area where an organism lives.

• Role and position an organism has in its environment.

• Environmental factor that restricts population growth.

• Study of population statistics like birth, death, and growth rates.

What is the definition of mutualism?

• One organism benefits, the other is harmed.

• Both organisms benefit.

• One organism benefits, the other is unaffected.

• Two or more organisms vie for the same resource.

Which term describes the movement of individuals out of a population?

• Immigration

• Emigration

• Natality

• Mortality

What is the definition of parasitism?

• One organism feeds on another.

• One organism benefits, the other is harmed.

• Both organisms benefit.

• One organism benefits, the other is unaffected.

What does the term 'demography' refer to?

• Study of population statistics like birth, death, and growth rates.

• Maximum population size an environment can sustain.

• Pattern of how individuals in a population are spaced.

• Number of individuals per unit area or volume.

Which term describes a close interaction between species in which at least one benefits?

• Competition

• Symbiosis

• Predation

• Commensalism