Exam 9: Properties of Populations

The most common spatial distribution of individuals within a population is

Which of the following would NOT be expected to change with the age of individuals in a population?

________ defines the size of a population.

A module developed asexually from a genet is known as a ________.

Describe several ways that plants disperse.

All animals disperse actively, while all plants disperse passively.

Populations can be divided into three ecologically important age classes: pre-reproductive, reproductive, and ________.

A sampling method that is commonly used to study plants or other sessile animals involves ________.

An individual organism produced by sexual reproduction is called a

In most mammalian populations, the ________ sex ratio at birth is often weighted toward males.

Which of the following is a graphical depiction of the age structure of a population?

Unlike the one-way movement of an individual in emigration and immigration, migration is a round-trip.

Individuals are usually distributed as one large population across the landscape and not as separate disjunctive subpopulations in patches.

Most properties of a population do not change with the age of individuals.

The movement of individuals in space is called

In most cases, population density must be estimated by ________.

A population reaches a stable-age distribution when

Explain the three common spatial dispersal patterns and when they would occur.

Some animals migrate daily while others migrate seasonally. Give an example of each migration pattern and explain the benefit of this lifestyle to the organisms that you present.

Discuss the three distribution patterns of individuals within a population and explain the conditions that give rise to each pattern.