GSS 1.3 F_Quiz 1.3 - Describing Populations

Question 1

Select all of the density dependent factors that could affect a population. (HINT - you can choose more than one)

Answer 1

predation, infectious disease, competition for resources, biotic factors

Question 2

Which of the following does not affect the carrying capacity of a bird population?

Answer 2

the number of organisms in the population

Question 3

What impact would this increase in invasive species have on the diversity of native organisms living in the estuary?

Answer 3

The number of native species would decline as the invasive species competed with them for resources.

Question 4

The number of individuals living in a specific unit area or volume is the population ________.

Answer 4

density

Question 5

Select all of the density independent factors that could affect a population. (HINT - you can choose more than one)

Answer 5

weather
abiotic factors
pollution
non-infectious disease

Question 6

In order to have a stable population, birth rates should be _________ death rates

Answer 6

= 2

Question 7

2002-2003

Answer 7

decline

Question 8

1999-2001

Answer 8

stable

Question 9

2001-2002

Answer 9

stable

Question 10

A single mushroom can produce thousands of spores. These fungi likely have what type of survivorship graph/curve?

Answer 10

type III

Question 11

A new predator is introduced to an area and causes prey numbers to decrease. This is an example of ____________.

Answer 11

a density-dependent factor

Question 12

When a population reaches carrying capacity the population size will _______.

Answer 12

stay the same

Question 13

A population with more older individuals than younger individuals is _________.

Answer 13

decreasing

Question 14

A population growing in ideal conditions and without limitation will undergo ________.

Answer 14

exponential population growth