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Flashcards on Ecology and Ecosystems
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What is ecology?
Ecology is the study of the relationship between living organisms and their environment.
What is an ecosystem?
An ecosystem is a community of organisms interacting with each other and their environment.
What are producers in an ecosystem?
Producers are organisms that can convert sunlight or inorganic compounds into energy-rich organic compounds through photosynthesis or chemosynthesis.
What are primary consumers?
Primary consumers are animals that eat plants or other producers.
What are secondary consumers?
Secondary consumers are animals that eat primary consumers.
What is a food chain?
A food chain is a linear sequence of organisms showing who eats whom in an ecosystem.
What is a food web?
A food web is a complex network of interrelated food chains in an ecosystem.
What is biodiversity?
Biodiversity refers to the variety and variability of living organisms in a specific area.
What is a keystone species?
A keystone species is a species that has a disproportionately large impact on its environment compared to its abundance.
What is an ecological niche?
An ecological niche refers to the role and position of a species in its environment, including its interactions with other species.
What is the greenhouse effect?
The greenhouse effect is the trapping of heat by certain gases in the Earth's atmosphere, leading to an increase in average global temperature.
What is a trophic level?
A trophic level is the position an organism occupies in a food chain or food web.
What are decomposers?
Decomposers are organisms that break down dead organic matter into simpler substances.
What is a population?
A population is a group of organisms of the same species living in the same area at the same time.
What is carrying capacity?
Carrying capacity is the maximum number of individuals an environment can sustainably support.
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Test Your Knowledge
Which statement best describes ecology?
The study of cells
The study of stars and galaxies
The study of the relationship between living organisms and their environment
The study of ancient civilizations
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What is an ecosystem?
A single organism in its environment
The study of sea creatures
A community of organisms interacting with each other and their environment
A laboratory for biological experiments
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What do producers do in an ecosystem?
Consume other organisms as their main source of energy
Provide shelter for other animals
Convert sunlight or inorganic compounds into energy-rich organic compounds
Regulate the temperature of the ecosystem
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What is a food web?
A web-like structure made of food particles
The process of cooking food
A complex network of interrelated food chains in an ecosystem
A web-based platform for ordering food
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What is biodiversity?
The study of different species of birds
The study of underwater ecosystems
The variety and variability of living organisms in a specific area
The variety of human cultures
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What is a keystone species?
A species that lives in caves
A species that migrates long distances
A species that has a disproportionately large impact on its environment compared to its abundance
A species that is extinct
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What is the greenhouse effect?
The effect of green-colored plants on the environment
The effect of glass in greenhouses on plant growth
The trapping of heat by certain gases in the Earth's atmosphere, leading to an increase in average global temperature
The effect of plants on reducing carbon dioxide levels in the atmosphere
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What is a trophic level?
The level of water in an ecosystem
The level of pollution in an ecosystem
The position an organism occupies in a food chain or food web
The body size of an organism
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What are decomposers?
Organisms that feed on decomposed matter
Organisms that break down inorganic materials
Organisms that break down dead organic matter into simpler substances
Organisms that are responsible for decomposition of concrete
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What is carrying capacity?
The capacity of carrying heavy loads
The capacity of a vehicle to carry passengers
The maximum number of individuals an environment can sustainably support
The capacity of carrying water in a container
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