Chapter 37 Population ecology

Question 1

Population definition and features of a population

Answer 1

Group of individuals of a single species in a specific area.

Rely on same resources, are influenced by same environmental factors, and interact/breed with one another.

Described by boundaries and size

Question 2

Population density definition and example

Answer 2

Number of individuals per unit area or volume

ex:Number of oak trees per sq. mi in a specific city

Question 3

Population dispersion definition and example

Answer 3

Pattern of spacing among individuals within the population boundaries

Question 4

Population density features (3 answers)

Answer 4

1. Can vary over time
2. Immigration and births increase density
3. Emigration and deaths decrease density.

Question 5

Population density patterns (3 different patterns)

Answer 5

1. Clumped
2. 3.