ecosystems

Question 1

ecology

Answer 1

the study of relationships between living organisms

Question 2

abiotic

Answer 2

non-living components of an ecosystem

Question 3

biotic

Answer 3

living organisms in an ecosystem

Question 4

community

Answer 4

different populations living in the same place at the same time

Question 5

population

Answer 5

a group of the same species living in the same place at the same time

Question 6

habitat

Answer 6

a place where a population of organisms live

Question 7

biodiversity

Answer 7

a variety of biotic factors living in the world or a particular place

Question 8

competition

Answer 8

a relationship where organisms compete for limited resources

Question 9

ecosystem

Answer 9

a community of living organisms and non living factors

Question 10

interdependence

Answer 10

all organisms in an ecosystem depend on each other

Question 11

symbiotic relationships

Answer 11

a close physical relationship between two organisms

Question 12

commensalism

Answer 12

relationship between two orgnisms of different species
one benefits, the other is not affected

Question 13

mutualism

Answer 13

relationship between two organisms of different species
both benefit

Question 14

parasitism

Answer 14

one organism (a parasite) lives on or in the body of another organism (the host)
The parasite benefits, host is harmed

Question 15

predator

Answer 15

a animal that hunts and feeds on prey

Question 16

prey

Answer 16

an animal that is hunted and killed by predator

Question 17

producer

Answer 17

an organism that produces their own food
(e.g. plants, grass)

Question 18

Consumer

Answer 18

feeds on producers and/or other consumers
pass on energy
(e.g. animals)

Question 19

de-composer

Answer 19

an organism that gains nutrients by breaking down dead organisms

Question 20

food chain

Answer 20

who eats who
starts at producer & ends at decomposer

Question 21

food web

Answer 21

all the food chains in an ecosystem

Question 22

Pyramid of Biomass

Answer 22

a pyramid showing the total number of organisms at different trophic levels in an ecosystem

Question 23

conservation

Answer 23

preservation and management of biodiversity and natural resources

Question 24

bushfire

Answer 24

destory plant and animal life
some aus plants need fire to open seed heads

Question 25

drought

Answer 25

animals migrate to try and stay alive
removed nutrients from soil

Question 26

flood

Answer 26

hazard for some animal life
aquatic animals benefit

Question 27

overharvesting

Answer 27

harvesting to the point of dimishing results

Question 28

introduced species

Answer 28

moved by humans to an environment in which they didn’t naturally occur

Question 29

epicormic growth

Answer 29

the growth of new shoots from epicormic buds that lie dormant beneath the bark

Question 30

global warming

Answer 30

the globe warming due to climate change

Question 31

photosynthesis equation

Answer 31

6CO2 + 6H2O → C6H12O6 + 6O2
carbon dioxide + water –>glucose + oxygen
(light energy & chlorophyll)