Chapter 19

Question 1

The Study of organisms where they live and how they interact with each other and their environment

Answer 1

Ecology

Question 2

All organisms of one kind living together

Answer 2

Populations

Question 3

What are the physical conditions affect functioning of cells and whole organism

Answer 3

Temperature, Water, Sunlight, Soil

Question 4

Where can the organism survive is called it’s

Answer 4

Range

Question 5

Two types of populaton growth

Answer 5

Exponential
Logistical

Question 6

Which growth rate is a constant growth rate the leads to accelerating increase in population number (doubling effect)

Answer 6

Exponential

Question 7

Which type of growth rate limits how large a population can grow

Answer 7

Logistical

Question 8

what causes the limitaions in growth rates

Answer 8

Resource availability
Death increases vs Births decrease
(Carrying capacity)

Question 9

Where do we see logistical growth practically applied

Answer 9

Havesting plants and animals
(maximum sustainable yield)

Question 10

When, how often and how much to reproduce determines a species’

Answer 10

Life History Patterns
r-Selected r = growth rate
K-selected K = carrying capacity

Question 11

The study of population statistics

Answer 11

Demography

Question 12

Three of the trends that demography tracks

Answer 12

Age distribution
Growth predictions (birth/mortality rates)
Survivorship curves

Question 13

Organisms’s “place” in the community

Answer 13

Niche
includes habitat and
resourse use

Question 14

The Niche of all places where organisms are capable of living

Answer 14

Fundamental Niche

Question 15

The Niche where organisms actually live

Answer 15

Realized Niche

Question 16

Two organisms wanting to use the same resource

Answer 16

Competition
(not enough for all)

Question 17

Competition with organisms of same species

Answer 17

Intraspecific

Question 18

Type of competition with organisms of different species

Answer 18

Interspecific competition

Question 19

Exclusion where two species have the same resource needs, one will always be the better competitor

Answer 19

Competitive Exclusion

Question 20

How organisms bypass competitive exclusion

Answer 20

Resource Partitioning
Predation (removal of competitor)

Question 21

Two or more organisms living together in close association

Answer 21

Symbiosis

Question 22

Two species acting as selection pressure on each other

Answer 22

Coevolution

Question 23

Symbiosis where both species gain a benifit

Answer 23

Mutualism

Question 24

Symbiosis where one species benefits and the other is unaffected

Answer 24

Commensalism

Question 25

Symbiosis where one species benefits and the other is harmed

Answer 25

Paratism

Question 26

One species killing another for food is called

Answer 26

Predation

Question 27

To defend against predation species evolve three types of defense

Answer 27

Physical Chemical Behavioral

Question 28

Predictable change in community composition over time

Answer 28

Succesion

Question 29

The type of succession from bare rock/sand (soil forming)

Answer 29

Primary succession

Question 30

The type of succession from bare soil

Answer 30

Secondary