topic 1 and 2

Question 1

EVS

Answer 1

a worldview that shapes the way an individual approaches environmental relates issues

Question 2

ecocentric

Answer 2

someone who puts nature as the central to humanity

Question 3

antropocentric

Answer 3

someone that believes humans hold more value than anything else

Question 4

technocentric

Answer 4

the belief that technology developments can serve as a solution to all environmental issues

Question 5

deep ecologist

Answer 5

those who put more value on the environment than societal issues - extreme ecocentrics`

Question 6

trophic level

Answer 6

the position that an organism occupies in the food chain

Question 6

bioaccumulation

Answer 6

the build‑up of non‑biodegradable pollutants within an organism or trophic level because they cannot
be broken down

Question 6

environmentally sustainable

Answer 6

the responsible management of natural resources

Question 6

habitat

Answer 6

the environment in which a species normally lives

Question 6

biomagnification

Answer 6

the increase of non‑biodegradable
pollutants along a food chain

Question 6

uses of DDT

Answer 6

a pollutant that caused severe harm

used to control malaria in the 1940s

Question 6

ecosystems

Answer 6

open systems with lots of interconnectedness

Question 7

conservation of species

Answer 7

the natural ecosystem is protected and maintained to conserve the species

Question 7

niche

Answer 7

particular set of biotic and abiotic conditions and resources to which an organism or population responds

Question 7

ecological succession

Answer 7

the process of change over time in an ecosystem

Question 7

predator-prey relationships

Answer 7

the interactions between two species where one species is the hunted food source for the other

Question 7

Dichotomous key

Answer 7

a paired statement key used to identify species

Question 8

Binomial nomenclature

Answer 8

formal name of something using two terms

eg. homo sapiens for humans

Question 9

taxonomy

Answer 9

science to describe and name species

Question 10

carbon cycle

Answer 10

carbon circulates through living and non-living systems, occurs in the ecosphere CLOSED

Question 11

nitrogen cycle

Answer 11

three basic stages: nitrogen
fixation, nitrification and denitrification

Question 12

positive feedback loops

Answer 12

increases changes and drives the system toward a tipping point where a new equilibrium is adopted (global warming)

Question 13

negative feedback loops

Answer 13

a normal biological repsonse in which the affects of a reaction will return to its original state

Question 14

biodiversity

Answer 14

includes diversity of species, genetic, habitat.

contributes to security and resilience

Question 15

primary pollutants

Answer 15

active on emission - carbon monoxide from fossil fuels

Question 16

secondary pollutants

Answer 16

primary pollutants undergoing physical or chemical changes

Question 17

kyoto protocool

Answer 17

agreement to reduce carbon emissions

Question 18

open system

Answer 18

system that allows the exchange of matter and energy eg. a plant

Question 19

closed system

Answer 19

system that does not exchange matter but it does exchange energy eg. earth

Question 20

isolated system

Answer 20

does not exchange energy nor matter

Question 21

entropy

Answer 21

the amount of disorder in a system

Question 22

food chains

Answer 22

interconnectedness between species (predators, decomposers)

Question 23

2nd law of thermodynamics

Answer 23

energy is transformed = loss of energy through the release of heat entropy increases over time

Question 24

parasitism

Answer 24

relationship between two species in which one species (the parasite) lives in or on another (the host), gaining its food from it

Question 25

mutualism

Answer 25

relation between two or more species in which all benefit and none suffer

Question 26

commensalism

Answer 26

when one partner is helped and the other is not significantly harmed eg. a fern growing up a tree trunk

Question 27

biotic factors

Answer 27

the living components of an ecosystem

Question 28

abiotic factors

Answer 28

the non- living components of an ecosystem eg. light availability

Question 29

gross primary productivity (GPP)

Answer 29

the total gain in energy or biomass per unit area per unit time by green plants

Question 30

net primary productivity (NPP)

Answer 30

the total gain in energy or biomass per unit area per unit time by green plants after allowing for losses to respiration.

Question 31

gross secondary productivity (GSP)

Answer 31

the total energy or biomass assimilated by consumers GSP = fecal loss mass - food consumed

Question 32

net secondary production (NSP)

Answer 32

only the food that crosses the digestive system wall of animals is absored

Question 33

natural selection

Answer 33

the process through which populations of living organisms adapt and change

Question 34

Demographic transition model

Answer 34

a diagram that shows how the population of a country changes over time

Question 35

Impacts of an invasive species

Answer 35

- introduction of disease - habitat alterations - displacement of species

Question 36

niche

Answer 36

set of biotic and abiotic conditions and resources to which an organism or population responds