Ecology Concept 3 Study Guide

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

• The study of different species living in the same place.

• A single organism living in a specific habitat.

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

• The total number of species found in a particular ecosystem.

What does population density measure?

• The number of people living in an urban area

• The number of individual organisms living in a defined space

• The total area of a region occupied by people

• The number of species found in a given ecosystem

Which of the following factors does NOT affect population density?

• Birth (natality)

• Immigration

• Death (mortality)

• Economic status

What term is used to describe the departure of individuals from a population?

• Immigration

• Emigration

• Urbanization

• Natality

What is the term for the birth rate within a population?

• Mortality

• Natality

• Emigration

• Immigration

What does the term "immigration" refer to in the context of population density?

• The movement of individuals out of a population

• The death rate within a population

• The birth rate within a population

• The movement of individuals into a population

What does a survivorship curve represent?

• The average age of individuals in a population

• A graphic representation of mortality patterns

• The reproductive rate of a species

• The migration patterns of animals

Which type of survivorship curve is characterized by late loss and heavy parental care?

• Type I

• Type II

• Type III

• Type IV

What is an example of a species that follows a Type III survivorship curve?

• Humans

• Rodents

• Fish

• Elephants

Which survivorship curve type is associated with a constant loss, where mortality is unaffected by age?

• Type I

• Type II

• Type III

• Type IV