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ecosystems
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What is the biotope of an ecosystem?
The non-living things of an ecosystem: air, water, soil, relief, light and temperature.
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What are decomposers?
Living things that break down the remains of dead organisms. They are fungi and bacteria.
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Cut down too many trees.
Deforestation.
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What are interspecific relationships?
Relationships between members of different species.
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Catch too many fish from the sea or ocean.
Overfishing.
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Is reproduction a type of intraspecific or interspecific relationship?
Intraspecific relationship.
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What are secondary consumers?
Animals that feed on primary consumers. They are carnivores.
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Is nutrition an example of intraspecific or interspecific relationship?
Interspecific relationship.
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What are the 5 trophic groups?
Producers, primary consumers, secondary consumers, tertiary consumers and decomposers.
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Say 4 types of artificial ecosystems.
City, town, village, farm, reservoir.
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Say 4 types of aquatic ecosystems.
River, lake, ocean, sea, wetlands.
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Contamination of the air.
Pollution
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What are the two types of relationships between organisms in an ecosystem?
Intraspecific and interspecific relationships.
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What is an ecosystem?
An ecosystem includes all the living things and non-living things in a place.
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What is the biocoenosis of an ecosystem?
The living things in an ecosystem: animals, plants, fungi, protoctista and monera.
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Say 5 types of terrestrial ecosystems
forest or woodlands, coast, tundra, grassland, savannah, rainforest, desert.
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What are intraspecific relationships?
Relationships between individuals of the same species.
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What are primary consumers?
Animals that feed on plants. They are herbivores.
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Say 3 things that we can do to help protect the environment.
Saving water, saving energy, recycling, respecting nature...
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What is a population?
A group of organisms of the same species that live together in one place.
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What is a community?
A collection of different populations that live together in one place.
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What do you call all the different food chains in an ecosystem?
Food web.
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What are tertiary consumers?
Animals that feed on secondary consumers. They are carnivores.
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What are artificial ecosystems?
Ecosystems modified by human activity.
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What are the two elements of an ecosystem?
Biotope and biocenosis
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What are producers?
Living things that make their own food. They are plants.
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