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Quiz von cloud.berry, aktualisiert more than 1 year ago
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Erstellt von cloud.berry
vor mehr als 11 Jahre
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Frage 1
Frage
Ecology is the study of..?
Antworten
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Living things in their environment.
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Organisms in their unnatural habitats
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Ecosystems
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Plants and the competition they face
Frage 2
Frage
An Ecosystem is..?
Antworten
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A community of organisms and their surroundings
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The environment in which organisms live and with which they interact
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Community of predators only
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Acommunity of plants and prokaryotes
Frage 3
Frage
The organisms (community) of an ecosystem are called the ____ component & the physical environment is known as the ____ component.
Antworten
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Biotic | Abiotic
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Abiotic | Biotic
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Abiotic | Antibiotic
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Biotic | Antibiotic
Frage 4
Frage
A Habitat is..?
Antworten
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The locality in which an organism occurs.
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Where the organism is normally found
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Where the organism lives
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Where the organism has a nest
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Where the organism has died
Frage 5
Frage
The population is..?
Antworten
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All the living things of the same species in a habitat at any one time
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All the living things in a habitat at any one time
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All the different species in an ecosystem atr any one time
Frage 6
Frage
A community is..?
Antworten
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All the living things in a habitat or ecosystem
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The total of all the populations of an ecosystem
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All the living things of the same species in a habitat at any one time
Frage 7
Frage
Traits of organisms of the same species are..?
Antworten
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A group of individuals with common ancestry
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Capable of interbreeding to produce fertile offspring
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Incapable of interpbreeding to produce fertile offspring
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Capable of interbreeding to produce only infertile offspring
Frage 8
Frage
An autotroph is an organism that :
Antworten
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Synthesises its organic molecules from simple inorganic substances
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Synthesises its organic molecules from complex inorganic substances
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Synthesises its inorganic molecules from simple organic substances
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Synthesises it organic substances from simple inorganic molecules
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Feeds itself
Frage 9
Frage
A heterotroph is an organism that :
Antworten
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Obtains organic molecules from other organisms
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Synthesises its organic molecules from simple inorganic substances
Frage 10
Frage
Saprotrophs are..?
Antworten
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Organisms that feed on dead plants and animals, and on the waste matter of animals
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Organisms that feed on dead plants but not animals or their waste matter
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Organisms that synthesise their own organic molecules from simple inorganic substances
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Organisms that obtain organic molecules from other organisms
Frage 11
Frage
Saprotrophs are known as..?
Antworten
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Detrivores
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Decomposers
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Herbivores
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Carnivores
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Composers
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Producers
Frage 12
Frage
The trophic level is..?
Antworten
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The level at which an organism feeds in a food chain (it feeding level)
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The level at which an organism is consumed in a food chain
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The amount of predators an organism has in a food chain
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The amount of alternative sources of food an organism has in a food web
Frage 13
Frage
The trophic level of producers is level __; for primary consumers it's level __; Secondary consumers are at level __; tertiary consumers sit at level __; and quaternary consumers at level __ .
Antworten
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1 | 2 | 3 | 4 | 5
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5 | 4 | 3 | 2 | 1
Frage 14
Frage
Food chains tend to be fairly short because :
Antworten
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Energy lost at transfer between trophic levels means few (transfers) can be sustained for long
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Energy is lost through death too quickly
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There are not enough plants in ecosystems
Frage 15
Frage
Gases in the atmosphere that ____ infra red radiation are referred to as green house gases.
Antworten
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Absorb
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Reflect
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Combine with
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Repel
Frage 16
Frage
The precausionary principle is..?
Antworten
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When an activity raises threats of harm, measures should be taken, even if a cause-and-effect relationship has not been established scientifically.
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Better safe than sorry !
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Better late than never !
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Whe an acivity raises threats of harm, measures shoudn't be taken, unless a cause-and-effect relationship has not been established scientifically.
Frage 17
Frage
List the following in chronological order : __ , __ , __ and __ phase.
Antworten
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Lag | Exponential Growth / Log | Linear Growth | Plateu / Stationary
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Plateu | Exponential Growth / Log | Linear Growth | Lag
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Exponential Growth / Log | Lag | Linear Growth | Plateu
Frage 18
Frage
Evolution is..?
Antworten
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The process of cummulative change in the heritable characteristics of a population.
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The occurance of mutations in the ehritable characteristics of a population.
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The process of cummulative change in the non-heritable characteristics of a population.
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The process of cummulative change in the heritable characteristics of a ecosystem.
Frage 19
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Examples of Bryophyta are :
Antworten
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Liverworts
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Moss
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Flowering Plants
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Conifers
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Ferns
Frage 20
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Examples of Filicinophyta :
Antworten
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Ferns
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Flowering Plants
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Liverworts
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Moss
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Conifers
Frage 21
Frage
Examples of Coniferophyta :
Antworten
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Conifers
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Moss
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Liverworts
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Flowering Plants
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Pine Trees
Frage 22
Frage
Examples of Angiospermophyta :
Antworten
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Flowers
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Grass
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Moss
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Liverworts
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Conifers
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Ferns
Frage 23
Frage
Examples of Porifera :
Antworten
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Sponges
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Flatworms
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Snails
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Molluscs
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Insects
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Arachnids
Frage 24
Frage
Examples Of Cnidaria :
Antworten
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Jellyfish
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Flatworm
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Snail
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Sponge
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Insects
Frage 25
Frage
Examples of Platyhelminthes :
Antworten
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Flatworms
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Molluscs
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Jellyfish
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Insects
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Snails
Frage 26
Frage
Examples of Nematoda :
Antworten
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Roundworm
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Snails
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Aracnids
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Sponges
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Jellyfish
Frage 27
Frage
Examples of Mollusca :
Antworten
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Snails
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Molluscs
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Sponges
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Flatworms
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Jellyfish
Frage 28
Frage
Examples of Anthropoda :
Antworten
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Aracnids
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Insects
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Crustaceans
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Sponges
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Flatworms
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Molluscs
Frage 29
Frage
Pyramid of energy shows the flow of energy in a food chain.
Antworten
- True
- False
Frage 30
Frage
Radiant energy from the sun reaches the earth and warms it along with the sea. The earth then radiates infra-red radiation back towards space, however, clouds reflect it back and much is absorbed by gases in the atmosphere. This effect is called the greenhouse effect and is needed to keep the earth warm.
Antworten
- True
- False
Frage 31
Frage
Naturally occurring greenhouse gases include:
Antworten
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Phosphate
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Methane
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Water Vapour
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Phosphorous
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Carbon dioxide
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CFCs
Frage 32
Frage
As a population increases, environmental resistance occurs i.e space and resources increase, and competition decreases.
Antworten
- True
- False
Frage 33
Frage
Intense cold is an example of a density-independent factor.
Antworten
- True
- False
Frage 34
Frage
Natural selection can essentially be described as 'survival of the fittest'.
Antworten
- True
- False
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