General Ecology Chapter 8

Question 1

The number of organisms in a given unit area is termed population:

Answer 1

Density

Question 2

Berlese funnels are normally used to sample organisms from:

Answer 2

Soil

Question 3

A student decides to conduct a mark-recapture experiment to estimate the population size of mosquito fish in a small pond near her home. In the first catch, she marked 45 individuals. Two weeks later she captured 62 individuals, of which 8 were marked. What is the estimated size of the population based on these data?

Answer 3

348

Question 4

Plant competition from shading and root interactions usually results in which dispersion pattern?

Answer 4

Uniform

Question 5

The most common habitat of a landscape is called the:

Answer 5

Matrix

Question 6

Mist nets are often used to sample:

Answer 6

Birds and Bats

Question 7

Species that wander along the ground are often counted using:

Answer 7

Pitfall traps

Question 8

Competition between nesting birds on a rock face would tend to promote which dispersion pattern?

Answer 8

Uniform

Question 9

A metapopulation where species are in general decline in abundance in most patches is known as which type of metapopulation?

Answer 9

Nonequilibrium metapopulation

Question 10

Small animals are usually more common than large. True or False?

Answer 10

True