WorksheetsEcosystems 1
Total questions: 25
Worksheet time: 19mins
Name
Class
Date
1.
Wallace Smith Broecker is the scientist who coined the phrase 'global warming' in what year?
a)
1930
b)
1975
c)
1955
d)
1990
2.
Inundation means...
a)
flooding
b)
destruction
c)
reduced in size
d)
increased in size
3.
An example of a terrestrial ecosystem might be...
a)
Great Barrier Reef
b)
Cabbage Tree Bay Aquatic Reserve
c)
Narrabeen Lagoon
d)
Simpson Desert
4.
"We do not inherit the earth from our ancestors, we borrow it from our children" is a proverb from which overseas culture?
a)
Greeks
b)
Aztecs
c)
Native Americans
d)
Masai
5.
The NON-LIVING components of an ecosystem, such as light, soil, water and air are described as...
a)
biotic
b)
abiotic
c)
phonetic
d)
prolific
6.
The organisms that make up the LIVING parts of an ecosystem are described as
a)
biotic
b)
abiotic
c)
phonetic
d)
prolific
7.
What is the name of the transition zone where one type of ecosystem blends into another?
a)
Ecotone
b)
Ecozone
c)
Ecosphere
d)
Ecobiome
8.
An organism that feeds by breaking down the dead organic matter in an ecosystem (such as a mushroom) is known as a...
a)
Decomposer
b)
Omnivore
c)
Heterotrophic organism
d)
Consumer
9.
An organism that consumes both plants and animals is known as...
a)
a herbivore
b)
a carnivore
c)
an omnivore
d)
a vegivore
10.
An environment where one plant species totally dominates is known as
a)
an Enaculture
b)
a Uniculture
c)
a Monoculture
d)
a Bioculture
11.
Small drifting plants, mostly algae, which are found in aquatic ecosystems are known as...
a)
photoplankton
b)
phytoplankton
c)
peteroplankton
12.
Permanently frozen soils, usually found in tundra ecosystems are known as...
a)
Permafrost
b)
Photofrost
c)
Tundrafrost
d)
Kryofrost
13.
The removal of minerals, by water, from the top layers of soil to the bottom layers is the process known as...
a)
Breaching
b)
Bleaching
c)
Leaching
d)
Reaching
14.
The amount of money that people are prepared to spend or forego in order to keep an ecosystem would best be defined as the
a)
Option Value
b)
Existence Value
c)
Intrinsic Value
d)
Heritage Value
15.
The totality of all ecosystems is the...
a)
Ecotone
b)
Ecosphere
c)
Biosphere
d)
Ecozone
16.
The situation where stability is achieved in an ecosystem is known as...
a)
Dynamic Equilibrium
b)
Static Equilibrium
c)
Pure Equilibrium
d)
Total Equilibrium
17.
What is the name of the sphere of technological influence, created by humans, which often overwhelms natural ecosystems?
a)
Digisphere
b)
Compusphere
c)
Technosphere
d)
Biosphere
18.
Plants that exist on extremely small amounts of water are known as...
a)
xylophytic
b)
xenophobic
c)
xerophytic
d)
xylophobic
19.
A series of organisms, each eating or decomposing the preceding one is known as a...
a)
food web
b)
food chain
c)
chain gang
d)
food gang
20.
Which of these is NOT a cause of desertification?
a)
soil erosion
b)
drought
c)
genetic engineering
d)
overgrazing
21.
A meat eating animal (such as a tiger) is a (watch your spelling)....
a)
Carnavore
b)
Carnevore
c)
Carnyvore
d)
Carnivore
22.
What is the name of the process whereby toxic chemicals are concentrated at successively higher levels within a food chain?
a)
Bioaccumulation
b)
Toxiaccumulation
c)
Bioconcentration
d)
Toxiconcentration
23.
A group of interdependent organisms living together in a common environment and interacting with one another is known as a...
a)
Species
b)
Society
c)
Community
d)
Habitat
24.
A heterotrophic organism is a consumer organism that...
a)
is able to make its own food
b)
is unable to make its own food
c)
is unable to survive in high latitudes
d)
is able to survive with no water
25.
What starting with 'F' is a term used to describe land that is left for a period without being sown in order to restore its fertility?
a)
Farlow
b)
Fallow
c)
Phalow
d)
Fylow
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