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the living world
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Cards (49)
What is the definition of abiotic factors in an ecosystem?
Abiotic factors are the non-living elements of an ecosystem, such as
climate
,
soil
, and
water
.
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What are biotic factors in an ecosystem?
Biotic factors are the organisms found in an ecosystem, including plants,
insects
, and animals.
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What is a producer in an ecosystem?
A producer is an organism that produces its own food, usually through
photosynthesis
.
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What is a consumer in an ecosystem?
A consumer is an
organism
that
consumes
other
organisms
to obtain
energy.
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What is the role of a decomposer in an ecosystem?
A
decomposer
is an
organism
that
breaks
down
dead plants
and
animals.
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What does a food chain represent in an ecosystem?
A food chain represents the flow of energy from
producers
to
tertiary consumers
.
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What is a food web?
A food web is a diagram showing multiple food chains and how they overlap in an
ecosystem
.
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What is a nutrient cycle?
A nutrient cycle is the transfer of nutrients through an
ecosystem
.
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What is an ecosystem?
An ecosystem is a community of plants and animals sharing an environment with
non-living
things.
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What are the key terms related to ecosystems and their components?
Abiotic: Non-living elements (climate, soil, water)
Biotic: Living organisms (plants, insects, animals)
Producer: Organisms that produce their own food
Consumer: Organisms that consume others for energy
Decomposer: Organisms that break down dead matter
Food chain: Flow of energy from producer to tertiary consumer
Food web: Diagram of overlapping food chains
Nutrient cycle: Transfer of nutrients in an ecosystem
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What is deforestation?
Deforestation is the chopping down and removal of trees.
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What is ecotourism?
Ecotourism is responsible travel to natural areas that conserves the
environment
and benefits locals.
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What is the impact of climate change on local environments?
Climate change causes local environments to become
hotter
and
drier.
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What are the characteristics of soil in rainforests?
Soil in rainforests is not very fertile, with nutrients concentrated in the
topsoil
and quickly absorbed.
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What adaptations do rainforest plants have to reach sunlight?
Emergents
and
lianas
grow to reach the sunlight in
rainforests
.
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How do buttress roots benefit rainforest trees?
Buttress roots anchor the trees in the shallow soil of rainforests.
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What is the significance of thick, waxy leaves in rainforest plants?
Thick, waxy leaves with
drip tips
help channel water in rainforest plants.
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What is the average temperature in the Thar Desert?
The average temperature in the Thar Desert is
27°C
.
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What are the main causes of desertification?
Main causes of desertification include
over-cultivation
,
soil erosion
, and
overgrazing
.
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What is the Great Green Wall initiative?
The Great Green Wall is a plan to plant trees in the
Sahel
to reduce desertification.
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What is the role of bunds in soil management?
Bunds are low rock walls designed to disrupt surface flow and reduce
soil erosion
.
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What are the benefits of ecotourism in desert areas?
Ecotourism in desert areas
conserves
the environment and benefits local communities.
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What is the significance of renewable energy in the Thar Desert?
Renewable energy in the Thar Desert, such as
wind
and
solar
, provides sustainable power sources.
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What are the characteristics of hot deserts?
High average temperatures
Very low
precipitation
Low
biodiversity
Adaptations of plants and animals to
arid conditions
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What are the impacts of deforestation on ecosystems?
Loss of
biodiversity
Disruption of
nutrient cycles
Increased soil erosion
Reduction in
carbon sinks
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What are the strategies for sustainable management of ecosystems?
International hardwood agreements
Debt reduction for conservation
Selective logging and replanting
Ecotourism
for conservation and education
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What is the definition of biodiversity?
Biodiversity is the variety of life in the world or a
particular
habitat.
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What is the role of traditional tribes in rainforest ecosystems?
Traditional tribes live sustainably and
exploit
resources for economic gain.
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How does climate change affect biodiversity?
Climate change can lead to a reduction in biodiversity due to
habitat loss
and changing conditions.
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What are the characteristics of soil in hot deserts?
Soil in hot deserts is sandy or stony, dry, and has very little organic matter.
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What adaptations do camels have for desert survival?
Camels have
humps
that store fat and broad,
flat
feet to protect against hot sand.
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What is the significance of appropriate technology in desert areas?
Appropriate technology is suited to the needs, skills, knowledge, and wealth of local people.
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What is the impact of overgrazing on soil?
Overgrazing leads to bare soil as vegetation is removed, making it vulnerable to erosion.
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How does population growth contribute to desertification?
Population growth increases the demand for food, leading to vegetation destruction and soil erosion.
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What are the effects of soil erosion in desert areas?
Soil erosion reduces fertility and exposes infertile sub-soil.
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What is the role of tourism in the Thar Desert?
Tourism in the Thar Desert includes ecotourism and desert safaris, benefiting the local economy.
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What are the challenges faced by the Thar Desert due to its climate?
The Thar Desert faces challenges such as high temperatures leading to rapid evaporation and water shortages.
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What is the significance of irrigation in the Thar Desert?
Irrigation applies controlled amounts of water to crops, essential for farming in arid conditions.
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What are the characteristics of the Thar Desert's population density?
The Thar Desert has the highest population density of any desert in the
world
.
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What is the impact of mineral extraction in the Thar Desert?
Mineral extraction in the Thar Desert includes mining for
limestone
,
marble
, and
oil
, impacting the environment.
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