Population Dynamics

Question 1

Factors that add individuals to population. (2)

Answer 1

Births and Immigration

Question 2

Factors that remove individuals to population

Answer 2

Deaths and Emigration

Question 3

Concerned with the factors influencing the expansion, decline, or maintenance of populations.

Answer 3

Population Dynamics

Question 4

Their native range extend from tropical to cold temperate environment.

Answer 4

Apis mellifera (Honey Bee) [Africanized]

Question 5

Rate of dispersal of Africanized honey bees

Answer 5

300-500 km/yr

Question 6

An important aspect of population dynamics that can increase or decrease local population densities.

Answer 6

Dispersal

Question 7

Example of plant seeds dispersed by wind.

Answer 7

Seeds of dandelion (Taraxicum officionale)

Question 8

Example of larvae dispersed by water.

Answer 8

Barnacle (Chthamalus sp.) - larvae travel the high seas on far ranging ocean currents

Question 9

Juvenile species dispersed by winds.

Answer 9

Juvenile garden spiders (Argiope sp.) - spinning a silken thread that catches the wind

Question 10

Plant seeds can be dispersed by: (3)

Answer 10

1. Winds
2. Water
3. Transported by a variety of mammals

Question 11

Young mammals and birds dispersed from?

Answer 11

The area where they are born and may join other local populations

Question 12

Changes in the density of predator populations in response to increase prey density.

Answer 12

Numerical Responses

Question 13

A part of a larger population, which sustains a limited exchanged of individuals through immigration and emigration.

Answer 13

Subpopulation

Question 14

Group of subpopulations living on such patches connected by exchange of individuals among patches make up a?

Answer 14

Metapopulation

Question 15

SN of rocky mountain parnassian butterfly

Answer 15

Parnassius smintheus

Question 16

A curve that summarize the pattern of survival in a population.

Answer 16

Survivorship Curve

Question 17

Bookkeeping devices that list bith the survivorship and the deaths or mortality in populations.

Answer 17

Life Tables

Question 18

A group born during the same period (e.g. same year) is called?

Answer 18

Cohort

Question 19

Data collected from cohort can be created as table called?

Answer 19

Cohort life table

Question 20

Methods of Estimating Patterns of Survival (3)

Answer 20

1. Cohort approch
2. Recording the AGE AT DEATH of large number of individuals.
3. Age distribution approach

Question 21

Recording the AGE AT DEATH of large number of individuals produces what kind of table?

Answer 21

Static life table

Question 22

Consists of the proportion of individuals of different ages within a population.

Answer 22

Age distribution

Question 23

Pattern of survival in Phlox drummondii is similar to?

Answer 23

Dall sheep

Question 24

How long does the survival by P. drummondii played out?

Answer 24

Less than a year

Question 25

Pattern of survival this species is completed within 11 days.

Answer 25

*Floscularia conifera* (rotifer)

Question 26

Example of birds species with constant rates of mortality.

Answer 26

- white crowned sparrows - American Robins

Question 27

Out of 1 million eggs laid by a mackerel, how many die during the FIRST 70 DAYS of life?

Answer 27

More than 999 thousand

Question 28

Three Types of Survivorship Curves

Answer 28

1. Type 1 survivorship curve (dall sheep, *Phlox drummondii*, rotifers) 2. Type 2 survivorship curve (American Robins, white crowned sparrows, common mud turtles) 3. Type 3 survivorship curve (desert plant cleome)

Question 29

Relatively high rate of survival among young and middle-aged individuals followed by a high rate of mortality among the aged.

Answer 29

Type 1 survivorship curve

Question 30

Constant rates of survival throughout life produced this straight line pattern survival.

Answer 30

Type 2 survivorship curve

Question 31

The blue line in which a period of extremely high rates of mortality among the young is followed by a relatively high rate of survival.

Answer 31

Type 3 survivorship curve

Question 32

The blue line in which a period of extremely high rates of mortality among the young is followed by a relatively high rate of survival.

Answer 32

Type 3 survivorship curve

Question 33

________ of a population reflects its history of survival, reproduction, and potential for future growth.

Answer 33

Age distribution

Question 34

What does age distribution indicates?

Answer 34

- periods of successful reproduction - periods of high and low survival - whether the older individuals in a population are replacing themselves/if the population is declining

Question 35

Who studied Darwin's Finch population for decades?

Answer 35

Rosemary and Peter Grant