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15
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What could happen if people overfish in a lagoon or coastal area?
Fish populations would increase.
The coral reef could suffer.
Fish populations might decrease.
Other animals might lose a food source.
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thief
Give points!
5
10
15
20
25
×
gift
Win 15 points!
Okay!
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rocket
Go to first place!
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lifesaver
Give 15 points!
Oops!
15
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14
14
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boom
Lose 50 points!
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fairy
Take points!
5
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25
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shark
Other team loses 25 points!
Okay!
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thief
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25
15
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15
15
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15
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What is an ecosystem?
A system of connected living and non-living things
A way of organizing animals
A type of building
A group of people working together
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thief
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25
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magnet
Take 15 points!
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shark
Other team loses 20 points!
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thief
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25
15
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Pollution in one part of the ocean (like near Motunui) wonât affect other parts, such as coral reefs or lagoons.
False
True
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15
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Plants, animals, and people depend on each other in all ecosystems, just like Moana depends on her island and the sea.
True
False
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15
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Why is biodiversity important to ecosystems like forests, oceans, or even cities?
It makes the area more attractive to tourists.
It helps people grow more crops.
It speeds up the growth of trees.
It ensures all species can support each other.
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15
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What roles do trees or palm trees play in ecosystems?
They produce oxygen.
They are only there for humans to use their wood.
They provide food and building materials.
They store carbon to help reduce climate change.
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15
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What is the primary source of energy for all ecosystems, including coral reefs and forests?
The sun
The coconut trees
The wind
The fish in the lagoon
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15
×
16
16
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15
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Ecosystems are balanced when every part plays an important role, from the smallest insects to the largest animals.
False
True
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15
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How do coral reefs, like those around Motunui, help their ecosystems?
They keep water clean by filtering debris.
They protect shorelines from strong waves.
They provide food and shelter for marine life.
They make sure sharks reach the coast line.
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15
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17
17
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