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Concept 1.3
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T/f Microorganisms are producers that small fish feed on to get energy.
True
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Small fish feed on...........that float on the surface of the sea.
Microorganisms
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St. Flying living organisms that build their nests on the top of mountain cliffs and dive deeply into the sea to eat
Sea birds
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T/f If the climate change is unsuitable, the population of a species decreases
False
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St. It is the harms that happen to air, water and soil due to human activities.
Pollution
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Give reasons. In case of fire forest, animals suffer from difficulty breathing.
Because fire forests produce smoke that causes difficulty breathing of animals.
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T or F Seabirds eat small fish that swim near the water surface.
True
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. Throwing plastic garbage and waste materials into a river cause..........
Water pollution
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St: . It is the number of organisms of one type of species live in an area. •
Population
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. If the climate change is suitable, the population of a species will.........
Increase
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St. They are organisms that are too small for people to see with only their eyes.
Microorganisms
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Give reasons. Food webs can be destroyed due to pollution.
Because pollution negativelyaffects all living organisms infood webs.
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What hapoens if. The climate change is unsuitable for a population of one type of species.
The population of this specieswill decrease
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T/f : Death of an animal due to pollution affects all other levels of the food web
True
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The consumers that exist at the top of any food chain are called...........
Too predators /final consumer /apex predator
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2. If producers increase in an ecosystem, the number of primary consumers will.........
Increase
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St. 2. A human activity that leads to decreasing the number of fish and affecting many marine food webs.
Overfishing
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Heavy rain causes.......... which destroys desert ecosystems. .
Floods
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