121852
Descripción
Test por cloud.berry, actualizado hace más de 1 año
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Creado por cloud.berry
hace casi 11 años
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Pregunta 1
Pregunta
Ecology is the study of..?
Respuesta
-
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
Pregunta 2
Pregunta
An Ecosystem is..?
Respuesta
-
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
-
Acommunity of plants and prokaryotes
Pregunta 3
Pregunta
The organisms (community) of an ecosystem are called the ____ component & the physical environment is known as the ____ component.
Respuesta
-
Biotic | Abiotic
-
Abiotic | Biotic
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Abiotic | Antibiotic
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Biotic | Antibiotic
Pregunta 4
Pregunta
A Habitat is..?
Respuesta
-
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
Pregunta 5
Pregunta
The population is..?
Respuesta
-
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
Pregunta 6
Pregunta
A community is..?
Respuesta
-
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
Pregunta 7
Pregunta
Traits of organisms of the same species are..?
Respuesta
-
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
Pregunta 8
Pregunta
An autotroph is an organism that :
Respuesta
-
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
Pregunta 9
Pregunta
A heterotroph is an organism that :
Respuesta
-
Obtains organic molecules from other organisms
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Synthesises its organic molecules from simple inorganic substances
Pregunta 10
Pregunta
Saprotrophs are..?
Respuesta
-
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
Pregunta 11
Pregunta
Saprotrophs are known as..?
Respuesta
-
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
Pregunta 12
Pregunta
The trophic level is..?
Respuesta
-
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
Pregunta 13
Pregunta
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 __ .
Respuesta
-
1 | 2 | 3 | 4 | 5
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5 | 4 | 3 | 2 | 1
Pregunta 14
Pregunta
Food chains tend to be fairly short because :
Respuesta
-
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
Pregunta 15
Pregunta
Gases in the atmosphere that ____ infra red radiation are referred to as green house gases.
Respuesta
-
Absorb
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Reflect
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Combine with
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Repel
Pregunta 16
Pregunta
The precausionary principle is..?
Respuesta
-
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.
Pregunta 17
Pregunta
List the following in chronological order : __ , __ , __ and __ phase.
Respuesta
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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
Pregunta 18
Pregunta
Evolution is..?
Respuesta
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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.
Pregunta 19
Pregunta
Examples of Bryophyta are :
Respuesta
-
Liverworts
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Moss
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Flowering Plants
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Conifers
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Ferns
Pregunta 20
Pregunta
Examples of Filicinophyta :
Respuesta
-
Ferns
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Flowering Plants
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Liverworts
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Moss
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Conifers
Pregunta 21
Pregunta
Examples of Coniferophyta :
Respuesta
-
Conifers
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Moss
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Liverworts
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Flowering Plants
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Pine Trees
Pregunta 22
Pregunta
Examples of Angiospermophyta :
Respuesta
-
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
Pregunta 23
Pregunta
Examples of Porifera :
Respuesta
-
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
Pregunta 24
Pregunta
Examples Of Cnidaria :
Respuesta
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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
Pregunta 25
Pregunta
Examples of Platyhelminthes :
Respuesta
-
Flatworms
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Molluscs
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Jellyfish
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Insects
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Snails
Pregunta 26
Pregunta
Examples of Nematoda :
Respuesta
-
Roundworm
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Snails
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Aracnids
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Sponges
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Jellyfish
Pregunta 27
Pregunta
Examples of Mollusca :
Respuesta
-
Snails
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Molluscs
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Sponges
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Flatworms
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Jellyfish
Pregunta 28
Pregunta
Examples of Anthropoda :
Respuesta
-
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
Pregunta 29
Pregunta
Pyramid of energy shows the flow of energy in a food chain.
Respuesta
- True
- False
Pregunta 30
Pregunta
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.
Respuesta
- True
- False
Pregunta 31
Pregunta
Naturally occurring greenhouse gases include:
Respuesta
-
Phosphate
-
Methane
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Water Vapour
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Phosphorous
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Carbon dioxide
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CFCs
Pregunta 32
Pregunta
As a population increases, environmental resistance occurs i.e space and resources increase, and competition decreases.
Respuesta
- True
- False
Pregunta 33
Pregunta
Intense cold is an example of a density-independent factor.
Respuesta
- True
- False
Pregunta 34
Pregunta
Natural selection can essentially be described as 'survival of the fittest'.
Respuesta
- True
- False
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