1.4.2 ecosystem 1.4.3 biosphere 1.4.4 habitat 1.4.5 environmental factors 1.4.6 energy flow...
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1.4.2 Ecosystem1.4.3 Biosphere
1.4.4 Habitat1.4.5 Environmental Factors
1.4.6 Energy Flow
Follow-Me – iQuiz
Q. Explain the term biosphere.
A community of living organisms interacting with one another and their environment
First level
Living features that influence the distribution of organisms
Large energy loss from one level to next; Small energy transfer
Interconnected food chains; More than one species at each
trophic level
Photosynthesis
Particle size; Soil type; pH; Air content; Water content; Mineral
content; Humus content
Non-living features that influence the distribution of
organisms
No. They are not producers
Primary consumer(s); Herbivore(s)
Producers are large; Primary consumers are parasites
Relating to the soil
The numbers of organisms at each trophic level
The part of the planet where life occurs
Predator (fox) influences distribution of rabbits
TRUE
The position of an organism in a food chain
The place where an organism lives
The sun
Climatic; Edaphic; etc.
FALSE
Producers; Autotrophs
Heat
CONGRATULATIONS
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Q. What is an ecosystem?
A community of living organisms interacting with one another and their environment
First level
Living features that influence the distribution of organisms
Large energy loss from one level to next; Small energy transfer
Interconnected food chains; More than one species at each
trophic level
Photosynthesis
Particle size; Soil type; pH; Air content; Water content; Mineral
content; Humus content
Non-living features that influence the distribution of
organisms
No. They are not producers
Primary consumer(s); Herbivore(s)
Producers are large; Primary consumers are parasites
Relating to the soil
The numbers of organisms at each trophic level
The part of the planet where life occurs
Predator (fox) influences distribution of rabbits
TRUE
The position of an organism in a food chain
The place where an organism lives
The sun
Climatic; Edaphic; etc.
FALSE
Producers; Autotrophs
Heat
CONGRATULATIONS
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Q. What is a habitat?
A community of living organisms interacting with one another and their environment
First level
Living features that influence the distribution of organisms
Large energy loss from one level to next; Small energy transfer
Interconnected food chains; More than one species at each
trophic level
Photosynthesis
Particle size; Soil type; pH; Air content; Water content; Mineral
content; Humus content
Non-living features that influence the distribution of
organisms
No. They are not producers
Primary consumer(s); Herbivore(s)
Producers are large; Primary consumers are parasites
Relating to the soil
The numbers of organisms at each trophic level
The part of the planet where life occurs
Predator (fox) influences distribution of rabbits
TRUE
The position of an organism in a food chain
The place where an organism lives
The sun
Climatic; Edaphic; etc.
FALSE
Producers; Autotrophs
Heat
CONGRATULATIONS
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Q. In ecological studies what are abiotic factors.
A community of living organisms interacting with one another and their environment
First level
Living features that influence the distribution of organisms
Large energy loss from one level to next; Small energy transfer
Interconnected food chains; More than one species at each
trophic level
Photosynthesis
Particle size; Soil type; pH; Air content; Water content; Mineral
content; Humus content
Non-living features that influence the distribution of
organisms
No. They are not producers
Primary consumer(s); Herbivore(s)
Producers are large; Primary consumers are parasites
Relating to the soil
The numbers of organisms at each trophic level
The part of the planet where life occurs
Predator (fox) influences distribution of rabbits
TRUE
The position of an organism in a food chain
The place where an organism lives
The sun
Climatic; Edaphic; etc.
FALSE
Producers; Autotrophs
Heat
CONGRATULATIONS
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Q. Explain the term edaphic.
A community of living organisms interacting with one another and their environment
First level
Living features that influence the distribution of organisms
Large energy loss from one level to next; Small energy transfer
Interconnected food chains; More than one species at each
trophic level
Photosynthesis
Particle size; Soil type; pH; Air content; Water content; Mineral
content; Humus content
Non-living features that influence the distribution of
organisms
No. They are not producers
Primary consumer(s); Herbivore(s)
Producers are large; Primary consumers are parasites
Relating to the soil
The numbers of organisms at each trophic level
The part of the planet where life occurs
Predator (fox) influences distribution of rabbits
TRUE
The position of an organism in a food chain
The place where an organism lives
The sun
Climatic; Edaphic; etc.
FALSE
Producers; Autotrophs
Heat
CONGRATULATIONS
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Q. True or False. The term abiotic refers to the living factors in an ecosystem.
A community of living organisms interacting with one another and their environment
First level
Living features that influence the distribution of organisms
Large energy loss from one level to next; Small energy transfer
Interconnected food chains; More than one species at each
trophic level
Photosynthesis
Particle size; Soil type; pH; Air content; Water content; Mineral
content; Humus content
Non-living features that influence the distribution of
organisms
No. They are not producers
Primary consumer(s); Herbivore(s)
Producers are large; Primary consumers are parasites
Relating to the soil
The numbers of organisms at each trophic level
The part of the planet where life occurs
Predator (fox) influences distribution of rabbits
TRUE
The position of an organism in a food chain
The place where an organism lives
The sun
Climatic; Edaphic; etc.
FALSE
Producers; Autotrophs
Heat
CONGRATULATIONS
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Q. Give an example of an abiotic factor that influences the distribution of a named plant in an ecosystem.
A community of living organisms interacting with one another and their environment
First level
Living features that influence the distribution of organisms
Large energy loss from one level to next; Small energy transfer
Interconnected food chains; More than one species at each
trophic level
Photosynthesis
Particle size; Soil type; pH; Air content; Water content; Mineral
content; Humus content
Non-living features that influence the distribution of
organisms
No. They are not producers
Primary consumer(s); Herbivore(s)
Producers are large; Primary consumers are parasites
Relating to the soil
The numbers of organisms at each trophic level
The part of the planet where life occurs
Predator (fox) influences distribution of rabbits
TRUE
The position of an organism in a food chain
The place where an organism lives
The sun
Climatic; Edaphic; etc.
FALSE
Producers; Autotrophs
Heat
CONGRATULATIONS
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Q. Give an example of an edaphic factor.
A community of living organisms interacting with one another and their environment
First level
Living features that influence the distribution of organisms
Large energy loss from one level to next; Small energy transfer
Interconnected food chains; More than one species at each
trophic level
Photosynthesis
Particle size; Soil type; pH; Air content; Water content; Mineral
content; Humus content
Non-living features that influence the distribution of
organisms
No. They are not producers
Primary consumer(s); Herbivore(s)
Producers are large; Primary consumers are parasites
Relating to the soil
The numbers of organisms at each trophic level
The part of the planet where life occurs
Predator (fox) influences distribution of rabbits
TRUE
The position of an organism in a food chain
The place where an organism lives
The sun
Climatic; Edaphic; etc.
FALSE
Producers; Autotrophs
Heat
CONGRATULATIONS
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Q. In ecological studies what are biotic factors.
A community of living organisms interacting with one another and their environment
First level
Living features that influence the distribution of organisms
Large energy loss from one level to next; Small energy transfer
Interconnected food chains; More than one species at each
trophic level
Photosynthesis
Particle size; Soil type; pH; Air content; Water content; Mineral
content; Humus content
Non-living features that influence the distribution of
organisms
No. They are not producers
Primary consumer(s); Herbivore(s)
Producers are large; Primary consumers are parasites
Relating to the soil
The numbers of organisms at each trophic level
The part of the planet where life occurs
Predator (fox) influences distribution of rabbits
TRUE
The position of an organism in a food chain
The place where an organism lives
The sun
Climatic; Edaphic; etc.
FALSE
Producers; Autotrophs
Heat
CONGRATULATIONS
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Q. What is meant by a pyramid of numbers?
A community of living organisms interacting with one another and their environment
First level
Living features that influence the distribution of organisms
Large energy loss from one level to next; Small energy transfer
Interconnected food chains; More than one species at each
trophic level
Photosynthesis
Particle size; Soil type; pH; Air content; Water content; Mineral
content; Humus content
Non-living features that influence the distribution of
organisms
No. They are not producers
Primary consumer(s); Herbivore(s)
Producers are large; Primary consumers are parasites
Relating to the soil
The numbers of organisms at each trophic level
The part of the planet where life occurs
Predator (fox) influences distribution of rabbits
TRUE
The position of an organism in a food chain
The place where an organism lives
The sun
Climatic; Edaphic; etc.
FALSE
Producers; Autotrophs
Heat
CONGRATULATIONS
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Q. Give an example of a biotic factor that influences the distribution of a named animal.
A community of living organisms interacting with one another and their environment
First level
Living features that influence the distribution of organisms
Large energy loss from one level to next; Small energy transfer
Interconnected food chains; More than one species at each
trophic level
Photosynthesis
Particle size; Soil type; pH; Air content; Water content; Mineral
content; Humus content
Non-living features that influence the distribution of
organisms
No. They are not producers
Primary consumer(s); Herbivore(s)
Producers are large; Primary consumers are parasites
Relating to the soil
The numbers of organisms at each trophic level
The part of the planet where life occurs
Predator (fox) influences distribution of rabbits
TRUE
The position of an organism in a food chain
The place where an organism lives
The sun
Climatic; Edaphic; etc.
FALSE
Producers; Autotrophs
Heat
CONGRATULATIONS
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Q. What term is used by ecologists to describe the organisms that form the base of a pyramid of numbers?
A community of living organisms interacting with one another and their environment
First level
Living features that influence the distribution of organisms
Large energy loss from one level to next; Small energy transfer
Interconnected food chains; More than one species at each
trophic level
Photosynthesis
Particle size; Soil type; pH; Air content; Water content; Mineral
content; Humus content
Non-living features that influence the distribution of
organisms
No. They are not producers
Primary consumer(s); Herbivore(s)
Producers are large; Primary consumers are parasites
Relating to the soil
The numbers of organisms at each trophic level
The part of the planet where life occurs
Predator (fox) influences distribution of rabbits
TRUE
The position of an organism in a food chain
The place where an organism lives
The sun
Climatic; Edaphic; etc.
FALSE
Producers; Autotrophs
Heat
CONGRATULATIONS
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for the Next Question
Q. In ecology what is meant by a trophic level?
A community of living organisms interacting with one another and their environment
First level
Living features that influence the distribution of organisms
Large energy loss from one level to next; Small energy transfer
Interconnected food chains; More than one species at each
trophic level
Photosynthesis
Particle size; Soil type; pH; Air content; Water content; Mineral
content; Humus content
Non-living features that influence the distribution of
organisms
No. They are not producers
Primary consumer(s); Herbivore(s)
Producers are large; Primary consumers are parasites
Relating to the soil
The numbers of organisms at each trophic level
The part of the planet where life occurs
Predator (fox) influences distribution of rabbits
TRUE
The position of an organism in a food chain
The place where an organism lives
The sun
Climatic; Edaphic; etc.
FALSE
Producers; Autotrophs
Heat
CONGRATULATIONS
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Q. What is a food web?
A community of living organisms interacting with one another and their environment
First level
Living features that influence the distribution of organisms
Large energy loss from one level to next; Small energy transfer
Interconnected food chains; More than one species at each
trophic level
Photosynthesis
Particle size; Soil type; pH; Air content; Water content; Mineral
content; Humus content
Non-living features that influence the distribution of
organisms
No. They are not producers
Primary consumer(s); Herbivore(s)
Producers are large; Primary consumers are parasites
Relating to the soil
The numbers of organisms at each trophic level
The part of the planet where life occurs
Predator (fox) influences distribution of rabbits
TRUE
The position of an organism in a food chain
The place where an organism lives
The sun
Climatic; Edaphic; etc.
FALSE
Producers; Autotrophs
Heat
CONGRATULATIONS
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Q. True or False. Herbivores normally live long lives.
A community of living organisms interacting with one another and their environment
First level
Living features that influence the distribution of organisms
Large energy loss from one level to next; Small energy transfer
Interconnected food chains; More than one species at each
trophic level
Photosynthesis
Particle size; Soil type; pH; Air content; Water content; Mineral
content; Humus content
Non-living features that influence the distribution of
organisms
No. They are not producers
Primary consumer(s); Herbivore(s)
Producers are large; Primary consumers are parasites
Relating to the soil
The numbers of organisms at each trophic level
The part of the planet where life occurs
Predator (fox) influences distribution of rabbits
TRUE
The position of an organism in a food chain
The place where an organism lives
The sun
Climatic; Edaphic; etc.
FALSE
Producers; Autotrophs
Heat
CONGRATULATIONS
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Q. Organisms capable of making their own food are known as …
A community of living organisms interacting with one another and their environment
First level
Living features that influence the distribution of organisms
Large energy loss from one level to next; Small energy transfer
Interconnected food chains; More than one species at each
trophic level
Photosynthesis
Particle size; Soil type; pH; Air content; Water content; Mineral
content; Humus content
Non-living features that influence the distribution of
organisms
No. They are not producers
Primary consumer(s); Herbivore(s)
Producers are large; Primary consumers are parasites
Relating to the soil
The numbers of organisms at each trophic level
The part of the planet where life occurs
Predator (fox) influences distribution of rabbits
TRUE
The position of an organism in a food chain
The place where an organism lives
The sun
Climatic; Edaphic; etc.
FALSE
Producers; Autotrophs
Heat
CONGRATULATIONS
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Q. Where in a food chain are primary producers found?
A community of living organisms interacting with one another and their environment
First level
Living features that influence the distribution of organisms
Large energy loss from one level to next; Small energy transfer
Interconnected food chains; More than one species at each
trophic level
Photosynthesis
Particle size; Soil type; pH; Air content; Water content; Mineral
content; Humus content
Non-living features that influence the distribution of
organisms
No. They are not producers
Primary consumer(s); Herbivore(s)
Producers are large; Primary consumers are parasites
Relating to the soil
The numbers of organisms at each trophic level
The part of the planet where life occurs
Predator (fox) influences distribution of rabbits
TRUE
The position of an organism in a food chain
The place where an organism lives
The sun
Climatic; Edaphic; etc.
FALSE
Producers; Autotrophs
Heat
CONGRATULATIONS
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Q. Why are most food chains short i.e. only consist of a few trophic levels?
A community of living organisms interacting with one another and their environment
First level
Living features that influence the distribution of organisms
Large energy loss from one level to next; Small energy transfer
Interconnected food chains; More than one species at each
trophic level
Photosynthesis
Particle size; Soil type; pH; Air content; Water content; Mineral
content; Humus content
Non-living features that influence the distribution of
organisms
No. They are not producers
Primary consumer(s); Herbivore(s)
Producers are large; Primary consumers are parasites
Relating to the soil
The numbers of organisms at each trophic level
The part of the planet where life occurs
Predator (fox) influences distribution of rabbits
TRUE
The position of an organism in a food chain
The place where an organism lives
The sun
Climatic; Edaphic; etc.
FALSE
Producers; Autotrophs
Heat
CONGRATULATIONS
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Q. What term is used to describe organisms that feed on primary producers?
A community of living organisms interacting with one another and their environment
First level
Living features that influence the distribution of organisms
Large energy loss from one level to next; Small energy transfer
Interconnected food chains; More than one species at each
trophic level
Photosynthesis
Particle size; Soil type; pH; Air content; Water content; Mineral
content; Humus content
Non-living features that influence the distribution of
organisms
No. They are not producers
Primary consumer(s); Herbivore(s)
Producers are large; Primary consumers are parasites
Relating to the soil
The numbers of organisms at each trophic level
The part of the planet where life occurs
Predator (fox) influences distribution of rabbits
TRUE
The position of an organism in a food chain
The place where an organism lives
The sun
Climatic; Edaphic; etc.
FALSE
Producers; Autotrophs
Heat
CONGRATULATIONS
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Q. What deduction may be made if the organisms at the start of the chain are less numerous than those that feed upon them?
A community of living organisms interacting with one another and their environment
First level
Living features that influence the distribution of organisms
Large energy loss from one level to next; Small energy transfer
Interconnected food chains; More than one species at each
trophic level
Photosynthesis
Particle size; Soil type; pH; Air content; Water content; Mineral
content; Humus content
Non-living features that influence the distribution of
organisms
No. They are not producers
Primary consumer(s); Herbivore(s)
Producers are large; Primary consumers are parasites
Relating to the soil
The numbers of organisms at each trophic level
The part of the planet where life occurs
Predator (fox) influences distribution of rabbits
TRUE
The position of an organism in a food chain
The place where an organism lives
The sun
Climatic; Edaphic; etc.
FALSE
Producers; Autotrophs
Heat
CONGRATULATIONS
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for the Next Question
Q. Can a parasite be the first member of a food chain?
A community of living organisms interacting with one another and their environment
First level
Living features that influence the distribution of organisms
Large energy loss from one level to next; Small energy transfer
Interconnected food chains; More than one species at each
trophic level
Photosynthesis
Particle size; Soil type; pH; Air content; Water content; Mineral
content; Humus content
Non-living features that influence the distribution of
organisms
No. They are not producers
Primary consumer(s); Herbivore(s)
Producers are large; Primary consumers are parasites
Relating to the soil
The numbers of organisms at each trophic level
The part of the planet where life occurs
Predator (fox) influences distribution of rabbits
TRUE
The position of an organism in a food chain
The place where an organism lives
The sun
Climatic; Edaphic; etc.
FALSE
Producers; Autotrophs
Heat
CONGRATULATIONS
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Q. Energy enters food chains in the form of light. In which form do you think most energy is lost from food chains?
A community of living organisms interacting with one another and their environment
First level
Living features that influence the distribution of organisms
Large energy loss from one level to next; Small energy transfer
Interconnected food chains; More than one species at each
trophic level
Photosynthesis
Particle size; Soil type; pH; Air content; Water content; Mineral
content; Humus content
Non-living features that influence the distribution of
organisms
No. They are not producers
Primary consumer(s); Herbivore(s)
Producers are large; Primary consumers are parasites
Relating to the soil
The numbers of organisms at each trophic level
The part of the planet where life occurs
Predator (fox) influences distribution of rabbits
TRUE
The position of an organism in a food chain
The place where an organism lives
The sun
Climatic; Edaphic; etc.
FALSE
Producers; Autotrophs
Heat
CONGRATULATIONS
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for the Next Question
Q. Name the process that takes place in plants in which the sun’s energy is converted to a usable form.
A community of living organisms interacting with one another and their environment
First level
Living features that influence the distribution of organisms
Large energy loss from one level to next; Small energy transfer
Interconnected food chains; More than one species at each
trophic level
Photosynthesis
Particle size; Soil type; pH; Air content; Water content; Mineral
content; Humus content
Non-living features that influence the distribution of
organisms
No. They are not producers
Primary consumer(s); Herbivore(s)
Producers are large; Primary consumers are parasites
Relating to the soil
The numbers of organisms at each trophic level
The part of the planet where life occurs
Predator (fox) influences distribution of rabbits
TRUE
The position of an organism in a food chain
The place where an organism lives
The sun
Climatic; Edaphic; etc.
FALSE
Producers; Autotrophs
Heat
CONGRATULATIONS
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Q. What is the source of energy for the earth’s ecosystems?
A community of living organisms interacting with one another and their environment
First level
Living features that influence the distribution of organisms
Large energy loss from one level to next; Small energy transfer
Interconnected food chains; More than one species at each
trophic level
Photosynthesis
Particle size; Soil type; pH; Air content; Water content; Mineral
content; Humus content
Non-living features that influence the distribution of
organisms
No. They are not producers
Primary consumer(s); Herbivore(s)
Producers are large; Primary consumers are parasites
Relating to the soil
The numbers of organisms at each trophic level
The part of the planet where life occurs
Predator (fox) influences distribution of rabbits
TRUE
The position of an organism in a food chain
The place where an organism lives
The sun
Climatic; Edaphic; etc.
FALSE
Producers; Autotrophs
Heat
CONGRATULATIONS
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