QUESTION 1

An age structure diagram that is very wide on the bottom and tightly pyramid shaped is an indication of:

negative growth.

stabilized growth.

a predominantly aging population.

rapid growth.

QUESTION 2

The Pacific Salmon begins its life in freshwater, eventually swimming downriver to the Pacific Ocean. When mature, the fish swims back up the river where it began its life. There, the fish mates. Not long after mating, the fish dies. What is this an example of?

Iteroparity

Semelparity

Parthenogenesis

Estrus

QUESTION 3

How many years did it take for the world's population to go from one billion to 4 billion?

175

160

130

193

QUESTION 4

Human population growth ____________.

is about the same worldwide

tends to exhibit a J-shaped curve (exponential growth) in economically underdeveloped countries

is increasing rapidly in Europe

is declining overall

QUESTION 5

Which of the following scenarios would exemplify a density-independent population regulation factor?

Rainbow smelt introduced into Lake Winnipeg competing with the native emerald shiners for food

Boll weevils destroying a cotton crop

A stomach flu outbreak in New York City

A drought in West Texas that dries up ponds, lakes, and streams

Match the following:

QUESTION 7

1. Which of the following images best represents clumped distribution?

QUESTION 8

1. Which of the following images best represents uniform distribution?