Population Ecology

Question 1

Environment

Answer 1

all things that will affect an organism in its lifetime

Question 2

study of how organisms relate to one another and to their environments IS

Answer 2

Ecology

Question 3

Abiotic is

Answer 3

non-living elements of the environment

Question 4

Biotic is

Answer 4

living elements in the enviroment

Question 5

Conformers

Answer 5

conform to the environment in which they live; their bodies adopting the temperature, salinity and other aspects of their surroundings

Question 6

evolutionary adaptation to environmental conditions leads to

Answer 6

natural selection

Question 7

Populations

Answer 7

groups of individuals of the same species living together in same place at same time

Question 8

Population range

Answer 8

area throughout which a population occurs

Changes as environment changes; circumvent previously inhospitable environment

Question 9

individuals do not interact strongly with one another; not common in nature is

Answer 9

random spacing

Question 10

Uniform spacing is

Answer 10

behavioral interactions, results from resource competition

Question 11

individuals clump into groups or clusters in response to uneven distribution of resources in their immediate environment; common in nature is

Answer 11

clump spacing

Question 12

Metapopulations is

Answer 12

collection of distinct spatially divided subpopulations connected by gene flow (exchanging individuals and/or genes)

Question 13

Source-sink metapopulations:

Answer 13

some areas are not suitable for long term habitat while others are not

Question 14

Metapopulations can have two implications for the range of a species they are

Answer 14

Continuous colonization of empty patches

Prevent long-term extinction

Question 15

Demography is

Answer 15

the quantitative statistical study of populations

Question 16

Cohort is

Answer 16

group of individuals of the same age

Question 17

Fecundity is

Answer 17

number of offspring produced in a standard time

Question 18

Natality is

Answer 18

number of individuals added to a population through reproduction

Question 19

Life history

Answer 19

complete life cycle of an organism

Question 20

organisms focus all reproductive efforts on a single, large event are called

Answer 20

semelparity

Question 21

iteroparity is

Answer 21

organisms produce offspring several times over many seasons

Question 22

Carrying capacity is

Answer 22

the maximum number of individuals that the resources in a given area can support over time

Question 23

Density-independent effects is

Answer 23

Rate of growth of a population at any instant is limited by some factor other than population size

Question 24

Exotic species

Answer 24

any species removed from its native habitat and placed into a novel one

Question 25

Ecological

Answer 25

amount of productive land required to support an individual at the standard of living of a particular population through the course of his/her life