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15
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What type of ecosystem are lakes, rivers, marshes and estuaries?
Freshwater ecosystems.
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15
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Who are the consumers in a marine ecosystem?
The consumers are fish, marine mammals, starfish, coral and zooplankton.
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boom
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gift
Win 25 points!
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fairy
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25
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thief
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What is this?
This is a food chain.
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baam
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gold
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gift
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baam
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15
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In this biome the trees are mostly deciduous. The animals store fat and hibernate or migrate during the cold months. Which one is it?
It is Oceanic Forest.
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15
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What factor describes if water is moving or still?
Water flow.
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lifesaver
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magnet
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rocket
Go to first place!
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lifesaver
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15
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The ____________ factors are the living things in an ecosystem.
Biotic
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15
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Let's speak! Explain what an evergreen tree is.
An evergreen tree is a tree that keeps its leaves all year long.
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15
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Let's speak! Explain three ways of saving forests.
1. Not wasting too many paper. 2. Using recycled paper. 3. Supporting forest conservation.
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Depending of how light penetrates in a marine ecosystem, what are the three main zones?
The coastal zone, the middle zone and the deepest zone.
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15
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Choose the correct one!
1. hide form predators
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What is the concentration of dissolved salts?
It is salinity.
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15
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What is the 3R's principle? Why is it important?
The three R's â reduce, reuse and recycle â all help to cut down on the amount of waste we throw away.
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15
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Let's speak! What is pollution?
Pollution is the energy production from fossil fuels and industrial activities that damage the air and water.
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